86781331 ÷ 137 
We're looking to find how many times 137 goes into 86781331.

Let's proceed to step 1:
137 can be fit into 8 0 times, resulting in a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Grab the next digit (6) from the dividend, add it to 8, then carry on: 86 / 137

On to step 2:
137 can be fit into 86 0 times, resulting in a remainder of 86.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 86, we end up with 86.
Include the next digit (7) from the dividend after 86, then repeat: 867 / 137

Moving on to step 3:
137 can be fit into 867 6 times, resulting in a remainder of 45.
Use 6 as the next digit of our solution. 
Result so far: 6.0
If we take 822 away from 867, we end up with 45.
Take the next digit (8) from the dividend and append it to 45, then repeat: 458 / 137

On to step 4:
137 goes into 458 3 times with a remainder of 47.
The number 3 becomes the next digit in our result. 
Result so far: 63.0
The remainder is 47 after subtracting 411 from 458.
Append the next digit (1) from the dividend to 47 and continue with: 471 / 137

Going ahead to step 5:
471 divided by 137 is 3 with a remainder of 60.
The next digit of our result is 3. 
Result so far: 633.0
Deduct 411 from 471 and we're left with 60.
Take the next digit (3) from the dividend and append it to 60, then repeat: 603 / 137

Moving on to step 6:
The number 137 fits into 603 4 times, leaving a remainder of 55.
The next digit of our result is 4. 
Result so far: 6334.0
If we subtract 548 from 603, we get 55.
Append the next digit (3) from the dividend to 55 and continue with: 553 / 137

Let's proceed to step 7:
137 can be fit into 553 4 times, resulting in a remainder of 5.
Put 4 as the next digit of the answer. 
Result so far: 63344.0
If we subtract 548 from 553, we get 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 137

Advancing to step 8:
51 divided by 137 is 0 with a remainder of 51.
Record the quotient 0 as the next digit in the result. 
Result so far: 633440.0
Subtracting 0 from 51 leaves us with 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

Advancing to step 9:
510 divided by 137 is 3 with a remainder of 99.
The next digit of our result is 3. 
Result so far: 633440.3
Subtracting 411 from 510 leaves us with 99.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

Going ahead to step 10:
The number 137 fits into 990 7 times, leaving a remainder of 31.
Record the quotient 7 as the next digit in the result. 
Result so far: 633440.37
Subtracting 959 from 990 leaves us with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Going ahead to step 11:
137 goes into 310 2 times with a remainder of 36.
Record the quotient 2 as the next digit in the result. 
Result so far: 633440.372
Subtracting 274 from 310 leaves us with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Going ahead to step 12:
360 divided by 137 is 2 with a remainder of 86.
The number 2 becomes the next digit in our result. 
Result so far: 633440.3722
Deduct 274 from 360 and we're left with 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

The final outcome is 633440.3722, with a leftover of 0.00086.