Step 1: Divide the number into separate digits:
62860 => 6 2 8 6 0
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
6 to 2 = 4
2 to 8 = 6
8 to 6 = 2
6 to 0 = 6
0 to 6 = 6
Step 3: Combine the filters to a string:
4 6 2 6 6 = 46266