90864455204 has 24 divisors (see below), whose sum is σ = 164597442240. Its totient is φ = 43838546976.

The previous prime is 90864455203. The next prime is 90864455221. The reversal of 90864455204 is 40255446809.

It is not an unprimeable number, because it can be changed into a prime (90864455203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51992 + ... + 429455.

It is an arithmetic number, because the mean of its divisors is an integer number (6858226760).

Almost surely, 2^90864455204 is an apocalyptic number.

It is an amenable number.

90864455204 is a deficient number, since it is larger than the sum of its proper divisors (73732987036).

90864455204 is a wasteful number, since it uses less digits than its factorization.

90864455204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483107 (or 483105 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 90864455204 in words is "ninety billion, eight hundred sixty-four million, four hundred fifty-five thousand, two hundred four".