89188064 has 36 divisors (see below), whose sum is σ = 200991672. Its totient is φ = 38162880.

The previous prime is 89188049. The next prime is 89188067. The reversal of 89188064 is 46088198.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89188067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141029 + ... + 141659.

It is an arithmetic number, because the mean of its divisors is an integer number (5583102).

Almost surely, 2^89188064 is an apocalyptic number.

It is an amenable number.

89188064 is an abundant number, since it is smaller than the sum of its proper divisors (111803608).

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

89188064 is an frugal number, since it uses more digits than its factorization.

89188064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 89188064 is about 9443.9432442174. The cubic root of 89188064 is about 446.7887668970.

The spelling of 89188064 in words is "eighty-nine million, one hundred eighty-eight thousand, sixty-four".