64356625 ÷ 86 
We want to divide 64356625 by 86.

Let's proceed to step 1:
6 divided by 86 is 0 with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Append the next digit (4) from the dividend to 6 and continue with: 64 / 86

Let's proceed to step 2:
64 divided by 86 is 0 with a remainder of 64.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 64, we end up with 64.
Take the next digit (3) from the dividend and append it to 64, then repeat: 643 / 86

Moving on to step 3:
643 divided by 86 is 7 with a remainder of 41.
Use 7 as the next digit of our solution. 
Result so far: 7.0
If we subtract 602 from 643, we get 41.
Include the next digit (5) from the dividend after 41, then repeat: 415 / 86

Going ahead to step 4:
If we divide 415 by 86, we get 4 and a remainder of 71.
Put 4 as the next digit of the answer. 
Result so far: 74.0
Subtract 344 from 415 to get 71.
Grab the next digit (6) from the dividend, add it to 71, then carry on: 716 / 86

On to step 5:
If we divide 716 by 86, we get 8 and a remainder of 28.
Use 8 as the next digit of our solution. 
Result so far: 748.0
If we take 688 away from 716, we end up with 28.
Take the next digit (6) from the dividend and append it to 28, then repeat: 286 / 86

Going ahead to step 6:
If we divide 286 by 86, we get 3 and a remainder of 28.
Record the quotient 3 as the next digit in the result. 
Result so far: 7483.0
Deduct 258 from 286 and we're left with 28.
Take the next digit (2) from the dividend and append it to 28, then repeat: 282 / 86

Moving on to step 7:
282 divided by 86 is 3 with a remainder of 24.
Put 3 as the next digit of the answer. 
Result so far: 74833.0
Subtracting 258 from 282 leaves us with 24.
Append the next digit (5) from the dividend to 24 and continue with: 245 / 86

On to step 8:
86 can be fit into 245 2 times, resulting in a remainder of 73.
Put 2 as the next digit of the answer. 
Result so far: 748332.0
Subtract 172 from 245 to get 73.
Since there are no more digits in the dividend, we add a zero to the remainder making it 730, and continue the process.

On to step 9:
86 goes into 730 8 times with a remainder of 42.
The number 8 becomes the next digit in our result. 
Result so far: 748332.8
Subtracting 688 from 730 leaves us with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Let's proceed to step 10:
When dividing 420 by 86, we get 4 with a remainder of 76.
Use 4 as the next digit of our solution. 
Result so far: 748332.84
If we take 344 away from 420, we end up with 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Going ahead to step 11:
86 goes into 760 8 times with a remainder of 72.
Put 8 as the next digit of the answer. 
Result so far: 748332.848
If we take 688 away from 760, we end up with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Let's proceed to step 12:
86 goes into 720 8 times with a remainder of 32.
The number 8 becomes the next digit in our result. 
Result so far: 748332.8488
If we take 688 away from 720, we end up with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

The final outcome is 748332.8488, with a leftover of 0.00032.