99090000009098 has 64 divisors (see below), whose sum is σ = 178178047377408. Its totient is φ = 40438765062720.

The previous prime is 99090000009079. The next prime is 99090000009137. The reversal of 99090000009098 is 89090000009099.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 875985563 + ... + 876098673.

It is an arithmetic number, because the mean of its divisors is an integer number (2784031990272).

Almost surely, 2^{99090000009098} is an apocalyptic number.

99090000009098 is a deficient number, since it is larger than the sum of its proper divisors (79088047368310).

99090000009098 is a wasteful number, since it uses less digits than its factorization.

99090000009098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149187.

The product of its (nonzero) digits is 472392, while the sum is 53.

Subtracting from 99090000009098 its reverse (89090000009099), we obtain a palindrome (9999999999999).

The spelling of 99090000009098 in words is "ninety-nine trillion, ninety billion, nine thousand, ninety-eight".