90591922724 has 12 divisors (see below), whose sum is σ = 158558590848. Its totient is φ = 45289468200.

The previous prime is 90591922679. The next prime is 90591922741. The reversal of 90591922724 is 42722919509.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591832 + ... + 1647759.

It is an arithmetic number, because the mean of its divisors is an integer number (13213215904).

Almost surely, 2^90591922724 is an apocalyptic number.

It is an amenable number.

90591922724 is a deficient number, since it is larger than the sum of its proper divisors (67966668124).

90591922724 is a wasteful number, since it uses less digits than its factorization.

90591922724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246586 (or 3246584 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 90591922724 in words is "ninety billion, five hundred ninety-one million, nine hundred twenty-two thousand, seven hundred twenty-four".