We divide 77761621 by 8
We want to divide 77761621 by 8.

On to step 1:
The number 8 fits into 7 0 times, leaving a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Grab the next digit (7) from the dividend, add it to 7, then carry on: 77 / 8

Advancing to step 2:
The number 8 fits into 77 9 times, leaving a remainder of 5.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
Subtract 72 from 77 to get 5.
Include the next digit (7) from the dividend after 5, then repeat: 57 / 8

Moving on to step 3:
If we divide 57 by 8, we get 7 and a remainder of 1.
Write down 7 as next digit of the result. 
Result so far: 97.0
Deduct 56 from 57 and we're left with 1.
Append the next digit (6) from the dividend to 1 and continue with: 16 / 8

Step 4:
8 goes into 16 2 times with a remainder of 0.
Put 2 as the next digit of the answer. 
Result so far: 972.0
Deduct 16 from 16 and we're left with 0.
Bring next digit (1) of the dividend behind the 0 and repeat the process: 1 / 8

Step 5:
8 can be fit into 1 0 times, resulting in a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 9720.0
The remainder is 1 after subtracting 0 from 1.
Include the next digit (6) from the dividend after 1, then repeat: 16 / 8

Moving on to step 6:
If we divide 16 by 8, we get 2 and a remainder of 0.
Write down 2 as next digit of the result. 
Result so far: 97202.0
Deduct 16 from 16 and we're left with 0.
Bring next digit (2) of the dividend behind the 0 and repeat the process: 2 / 8

On to step 7:
When dividing 2 by 8, we get 0 with a remainder of 2.
The next digit of our result is 0. 
Result so far: 972020.0
Deduct 0 from 2 and we're left with 2.
Grab the next digit (1) from the dividend, add it to 2, then carry on: 21 / 8

Advancing to step 8:
21 divided by 8 is 2 with a remainder of 5.
The number 2 becomes the next digit in our result. 
Result so far: 9720202.0
The remainder is 5 after subtracting 16 from 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Going ahead to step 9:
8 goes into 50 6 times with a remainder of 2.
Record the quotient 6 as the next digit in the result. 
Result so far: 9720202.6
Subtracting 48 from 50 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Going ahead to step 10:
The number 8 fits into 20 2 times, leaving a remainder of 4.
Record the quotient 2 as the next digit in the result. 
Result so far: 9720202.62
The remainder is 4 after subtracting 16 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 11:
40 divided by 8 is 5 with a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 9720202.625
If we take 40 away from 40, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 12:
8 goes into 0 0 times with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 9720202.625
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 13:
The number 8 fits into 0 0 times, leaving a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 9720202.625
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 9720202.625 with a remainder of 0.0.