89175664 has 30 divisors (see below), whose sum is σ = 182361840. Its totient is φ = 42238368.

The previous prime is 89175643. The next prime is 89175677. The reversal of 89175664 is 46657198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1944 + ... + 13495.

It is an arithmetic number, because the mean of its divisors is an integer number (6078728).

Almost surely, 2^89175664 is an apocalyptic number.

It is an amenable number.

89175664 is an abundant number, since it is smaller than the sum of its proper divisors (93186176).

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

89175664 is a wasteful number, since it uses less digits than its factorization.

89175664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15485 (or 15460 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 89175664 is about 9443.2867159692. The cubic root of 89175664 is about 446.7680599502.

The spelling of 89175664 in words is "eighty-nine million, one hundred seventy-five thousand, six hundred sixty-four".