89585725290 has 32 divisors (see below), whose sum is σ = 220249786176. Its totient is φ = 23306855040.

The previous prime is 89585725253. The next prime is 89585725321. The reversal of 89585725290 is 9252758598.

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 15 ways as a sum of consecutive naturals, for example, 36415732 + ... + 36418191.

It is an arithmetic number, because the mean of its divisors is an integer number (6882805818).

Almost surely, 2^89585725290 is an apocalyptic number.

89585725290 is an abundant number, since it is smaller than the sum of its proper divisors (130664060886).

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

89585725290 is a wasteful number, since it uses less digits than its factorization.

89585725290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72833974.

The product of its (nonzero) digits is 18144000, while the sum is 60.

The spelling of 89585725290 in words is "eighty-nine billion, five hundred eighty-five million, seven hundred twenty-five thousand, two hundred ninety".