We look at the division of 28564786 by 509 
We want to figure out the number of times 28564786 can be divided by 509.

On to step 1:
When dividing 2 by 509, we get 0 with a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Include the next digit (8) from the dividend after 2, then repeat: 28 / 509

Step 2:
509 can be fit into 28 0 times, resulting in a remainder of 28.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 28 to get 28.
Grab the next digit (5) from the dividend, add it to 28, then carry on: 285 / 509

Let's proceed to step 3:
509 goes into 285 0 times with a remainder of 285.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 285 after subtracting 0 from 285.
Fetch the next digit (6) from the dividend, attach it to 285 and continue: 2856 / 509

Going ahead to step 4:
509 can be fit into 2856 5 times, resulting in a remainder of 311.
Put 5 as the next digit of the answer. 
Result so far: 5.0
If we subtract 2545 from 2856, we get 311.
Include the next digit (4) from the dividend after 311, then repeat: 3114 / 509

Step 5:
509 goes into 3114 6 times with a remainder of 60.
Use 6 as the next digit of our solution. 
Result so far: 56.0
Subtracting 3054 from 3114 leaves us with 60.
Fetch the next digit (7) from the dividend, attach it to 60 and continue: 607 / 509

Let's proceed to step 6:
If we divide 607 by 509, we get 1 and a remainder of 98.
Use 1 as the next digit of our solution. 
Result so far: 561.0
The remainder is 98 after subtracting 509 from 607.
Take the next digit (8) from the dividend and append it to 98, then repeat: 988 / 509

Step 7:
509 can be fit into 988 1 times, resulting in a remainder of 479.
Record the quotient 1 as the next digit in the result. 
Result so far: 5611.0
Subtract 509 from 988 to get 479.
Take the next digit (6) from the dividend and append it to 479, then repeat: 4796 / 509

Step 8:
The number 509 fits into 4796 9 times, leaving a remainder of 215.
Record the quotient 9 as the next digit in the result. 
Result so far: 56119.0
If we subtract 4581 from 4796, we get 215.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2150, and continue the process.

Going ahead to step 9:
509 goes into 2150 4 times with a remainder of 114.
The number 4 becomes the next digit in our result. 
Result so far: 56119.4
The remainder is 114 after subtracting 2036 from 2150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1140, and continue the process.

Step 10:
If we divide 1140 by 509, we get 2 and a remainder of 122.
Put 2 as the next digit of the answer. 
Result so far: 56119.42
If we subtract 1018 from 1140, we get 122.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1220, and continue the process.

On to step 11:
The number 509 fits into 1220 2 times, leaving a remainder of 202.
Use 2 as the next digit of our solution. 
Result so far: 56119.422
Subtracting 1018 from 1220 leaves us with 202.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2020, and continue the process.

The quotient of the division is 56119.422, and the remainder is 0.0202.