89040871656 has 48 divisors (see below), whose sum is σ = 263075304960. Its totient is φ = 26982082080.

The previous prime is 89040871637. The next prime is 89040871663. The reversal of 89040871656 is 65617804098.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56211880 + ... + 56213463.

It is an arithmetic number, because the mean of its divisors is an integer number (5480735520).

Almost surely, 2^89040871656 is an apocalyptic number.

It is an amenable number.

89040871656 is an abundant number, since it is smaller than the sum of its proper divisors (174034433304).

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

89040871656 is a wasteful number, since it uses less digits than its factorization.

89040871656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112425366 (or 112425359 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 89040871656 in words is "eighty-nine billion, forty million, eight hundred seventy-one thousand, six hundred fifty-six".