89584761980 has 24 divisors (see below), whose sum is σ = 215003429088. Its totient is φ = 30714775488.

The previous prime is 89584761869. The next prime is 89584761997. The reversal of 89584761980 is 8916748598.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 319945439 + ... + 319945718.

It is an arithmetic number, because the mean of its divisors is an integer number (8958476212).

Almost surely, 2^89584761980 is an apocalyptic number.

It is an amenable number.

89584761980 is an abundant number, since it is smaller than the sum of its proper divisors (125418667108).

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

89584761980 is a wasteful number, since it uses less digits than its factorization.

89584761980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639891173 (or 639891171 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 65.

The spelling of 89584761980 in words is "eighty-nine billion, five hundred eighty-four million, seven hundred sixty-one thousand, nine hundred eighty".