89913097990 has 64 divisors (see below), whose sum is σ = 173969026560. Its totient is φ = 33374344960.

The previous prime is 89913097957. The next prime is 89913098017. The reversal of 89913097990 is 9979031998.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1661337 + ... + 1714603.

It is an arithmetic number, because the mean of its divisors is an integer number (2718266040).

Almost surely, 2^89913097990 is an apocalyptic number.

89913097990 is a deficient number, since it is larger than the sum of its proper divisors (84055928570).

89913097990 is a wasteful number, since it uses less digits than its factorization.

89913097990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53517.

The product of its (nonzero) digits is 9920232, while the sum is 64.

The spelling of 89913097990 in words is "eighty-nine billion, nine hundred thirteen million, ninety-seven thousand, nine hundred ninety".