89640084872 has 32 divisors (see below), whose sum is σ = 181278820800. Its totient is φ = 41309534784.

The previous prime is 89640084847. The next prime is 89640084917. The reversal of 89640084872 is 27848004698.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585428 + ... + 722499.

It is an arithmetic number, because the mean of its divisors is an integer number (5664963150).

Almost surely, 2^89640084872 is an apocalyptic number.

It is an amenable number.

89640084872 is an abundant number, since it is smaller than the sum of its proper divisors (91638735928).

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

89640084872 is a wasteful number, since it uses less digits than its factorization.

89640084872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308605 (or 1308601 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 89640084872 in words is "eighty-nine billion, six hundred forty million, eighty-four thousand, eight hundred seventy-two".