89917486788 has 48 divisors (see below), whose sum is σ = 210515768064. Its totient is φ = 29871397920.

The previous prime is 89917486751. The next prime is 89917486801. The reversal of 89917486788 is 88768471998.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11367931 + ... + 11375837.

It is an arithmetic number, because the mean of its divisors is an integer number (4385745168).

Almost surely, 2^89917486788 is an apocalyptic number.

It is an amenable number.

89917486788 is an abundant number, since it is smaller than the sum of its proper divisors (120598281276).

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

89917486788 is a wasteful number, since it uses less digits than its factorization.

89917486788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10992 (or 10990 counting only the distinct ones).

The product of its digits is 390168576, while the sum is 75.

The spelling of 89917486788 in words is "eighty-nine billion, nine hundred seventeen million, four hundred eighty-six thousand, seven hundred eighty-eight".