22^333^444^55555^666666^7777777^88888888^999999999 repeat this step 4096 times
Each digit is repeated the number of times equal to its value. 1 22 333 4444 55555 666666 7777777 88888888 999999999
9.99999998 x 10^17
999998999000001
99999998900000001
1x10153 times 999999999 is 999999999x10153. Normalizing that, you get 9.999999999x10161.
Prime factorization of 999999999 = 34 × 37 × 333667
666,666,666 X 999,999,999 = 6.66666665 × 1017
999,999,999 x 89,898,775,345,606 = 89,898,775,255,707,224,654,394
999999999/1
999999999
999999999 -1111 give your answer = 999998888