85556
n*10-4 is the pattern, n is a previous number 9; 9*10-4=86; 86*10-4=856; 856*10-4=8556; 8556*10-4=85556
What is the next number in the sequence - 1, 7, 10, 13, 19, 23, 28, 31, 32, 44, 49, 68, 70, 79, 82, 86, 91, 94, 97, 100, 103, 109, 129, 130, ?