89925804880 has 20 divisors (see below), whose sum is σ = 209077496532. Its totient is φ = 35970321920.

The previous prime is 89925804877. The next prime is 89925804907. The reversal of 89925804880 is 8840852998.

It can be written as a sum of positive squares in 2 ways, for example, as 13287633984 + 76638170896 = 115272^2 + 276836^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 562036201 + ... + 562036360.

Almost surely, 2^89925804880 is an apocalyptic number.

89925804880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89925804880 is an abundant number, since it is smaller than the sum of its proper divisors (119151691652).

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

89925804880 is a wasteful number, since it uses less digits than its factorization.

89925804880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124072574 (or 1124072568 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 61.

The spelling of 89925804880 in words is "eighty-nine billion, nine hundred twenty-five million, eight hundred four thousand, eight hundred eighty".