77846570 ÷ 831 
We want to figure out the number of times 77846570 can be divided by 831.

Let's proceed to step 1:
7 divided by 831 is 0 with a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Take the next digit (7) from the dividend and append it to 7, then repeat: 77 / 831

Moving on to step 2:
If we divide 77 by 831, we get 0 and a remainder of 77.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 77 leaves us with 77.
Include the next digit (8) from the dividend after 77, then repeat: 778 / 831

Going ahead to step 3:
If we divide 778 by 831, we get 0 and a remainder of 778.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 778 to get 778.
Fetch the next digit (4) from the dividend, attach it to 778 and continue: 7784 / 831

Advancing to step 4:
831 can be fit into 7784 9 times, resulting in a remainder of 305.
Use 9 as the next digit of our solution. 
Result so far: 9.0
If we take 7479 away from 7784, we end up with 305.
Take the next digit (6) from the dividend and append it to 305, then repeat: 3056 / 831

Going ahead to step 5:
The number 831 fits into 3056 3 times, leaving a remainder of 563.
Record the quotient 3 as the next digit in the result. 
Result so far: 93.0
If we take 2493 away from 3056, we end up with 563.
Bring next digit (5) of the dividend behind the 563 and repeat the process: 5635 / 831

Advancing to step 6:
If we divide 5635 by 831, we get 6 and a remainder of 649.
The next digit of our result is 6. 
Result so far: 936.0
The remainder is 649 after subtracting 4986 from 5635.
Bring next digit (7) of the dividend behind the 649 and repeat the process: 6497 / 831

On to step 7:
831 can be fit into 6497 7 times, resulting in a remainder of 680.
Write down 7 as next digit of the result. 
Result so far: 9367.0
If we subtract 5817 from 6497, we get 680.
Bring next digit (0) of the dividend behind the 680 and repeat the process: 6800 / 831

Going ahead to step 8:
If we divide 6800 by 831, we get 8 and a remainder of 152.
Put 8 as the next digit of the answer. 
Result so far: 93678.0
The remainder is 152 after subtracting 6648 from 6800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1520, and continue the process.

On to step 9:
831 goes into 1520 1 times with a remainder of 689.
Use 1 as the next digit of our solution. 
Result so far: 93678.1
Subtracting 831 from 1520 leaves us with 689.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6890, and continue the process.

Advancing to step 10:
The number 831 fits into 6890 8 times, leaving a remainder of 242.
The next digit of our result is 8. 
Result so far: 93678.18
The remainder is 242 after subtracting 6648 from 6890.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2420, and continue the process.

Step 11:
When dividing 2420 by 831, we get 2 with a remainder of 758.
The number 2 becomes the next digit in our result. 
Result so far: 93678.182
The remainder is 758 after subtracting 1662 from 2420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7580, and continue the process.

Moving on to step 12:
When dividing 7580 by 831, we get 9 with a remainder of 101.
Record the quotient 9 as the next digit in the result. 
Result so far: 93678.1829
If we take 7479 away from 7580, we end up with 101.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1010, and continue the process.

Step 13:
When dividing 1010 by 831, we get 1 with a remainder of 179.
The next digit of our result is 1. 
Result so far: 93678.18291
If we subtract 831 from 1010, we get 179.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1790, and continue the process.

Moving on to step 14:
831 can be fit into 1790 2 times, resulting in a remainder of 128.
Put 2 as the next digit of the answer. 
Result so far: 93678.182912
If we take 1662 away from 1790, we end up with 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

On to step 15:
1280 divided by 831 is 1 with a remainder of 449.
The next digit of our result is 1. 
Result so far: 93678.1829121
If we subtract 831 from 1280, we get 449.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4490, and continue the process.

On to step 16:
If we divide 4490 by 831, we get 5 and a remainder of 335.
The next digit of our result is 5. 
Result so far: 93678.18291215
Deduct 4155 from 4490 and we're left with 335.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3350, and continue the process.

In conclusion, the division gives 93678.18291215 with a balance of 3.35e-07.