90364262784 has 32 divisors (see below), whose sum is σ = 240030074040. Its totient is φ = 30121420800.

The previous prime is 90364262759. The next prime is 90364262797. The reversal of 90364262784 is 48726246309.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 117661417 + ... + 117662184.

Almost surely, 2^90364262784 is an apocalyptic number.

It is an amenable number.

90364262784 is an abundant number, since it is smaller than the sum of its proper divisors (149665811256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90364262784 is a wasteful number, since it uses less digits than its factorization.

90364262784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235323618 (or 235323606 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 90364262784 in words is "ninety billion, three hundred sixty-four million, two hundred sixty-two thousand, seven hundred eighty-four".