686863 ÷ 8 
Let's see how many times 8 fits into 686863.

Moving on to step 1:
When dividing 6 by 8, we get 0 with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Append the next digit (8) from the dividend to 6 and continue with: 68 / 8

Advancing to step 2:
8 can be fit into 68 8 times, resulting in a remainder of 4.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
Subtracting 64 from 68 leaves us with 4.
Append the next digit (6) from the dividend to 4 and continue with: 46 / 8

Moving on to step 3:
8 goes into 46 5 times with a remainder of 6.
The number 5 becomes the next digit in our result. 
Result so far: 85.0
Subtract 40 from 46 to get 6.
Grab the next digit (8) from the dividend, add it to 6, then carry on: 68 / 8

Let's proceed to step 4:
8 goes into 68 8 times with a remainder of 4.
The next digit of our result is 8. 
Result so far: 858.0
If we take 64 away from 68, we end up with 4.
Grab the next digit (6) from the dividend, add it to 4, then carry on: 46 / 8

Let's proceed to step 5:
When dividing 46 by 8, we get 5 with a remainder of 6.
Write down 5 as next digit of the result. 
Result so far: 8585.0
Subtract 40 from 46 to get 6.
Append the next digit (3) from the dividend to 6 and continue with: 63 / 8

On to step 6:
63 divided by 8 is 7 with a remainder of 7.
The number 7 becomes the next digit in our result. 
Result so far: 85857.0
Subtracting 56 from 63 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Going ahead to step 7:
8 goes into 70 8 times with a remainder of 6.
The next digit of our result is 8. 
Result so far: 85857.8
The remainder is 6 after subtracting 64 from 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 8:
When dividing 60 by 8, we get 7 with a remainder of 4.
Put 7 as the next digit of the answer. 
Result so far: 85857.87
Subtracting 56 from 60 leaves us with 4.
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 9:
The number 8 fits into 40 5 times, leaving a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 85857.875
Deduct 40 from 40 and we're left 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.

Advancing to step 10:
0 divided by 8 is 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 85857.875
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.

Going ahead to step 11:
0 divided by 8 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 85857.875
Subtract 0 from 0 to 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.

The final outcome is 85857.875, with a leftover of 0.0.