89902815954 has 24 divisors (see below), whose sum is σ = 209161654128. Its totient is φ = 25686518760.

The previous prime is 89902815949. The next prime is 89902815971. The reversal of 89902815954 is 45951820998.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152895652 + ... + 152896239.

It is an arithmetic number, because the mean of its divisors is an integer number (8715068922).

Almost surely, 2^89902815954 is an apocalyptic number.

89902815954 is an abundant number, since it is smaller than the sum of its proper divisors (119258838174).

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

89902815954 is a wasteful number, since it uses less digits than its factorization.

89902815954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305791910 (or 305791903 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 60.

The spelling of 89902815954 in words is "eighty-nine billion, nine hundred two million, eight hundred fifteen thousand, nine hundred fifty-four".