97565888 has 28 divisors (see below), whose sum is σ = 221266512. Its totient is φ = 41813760.

The previous prime is 97565879. The next prime is 97565903. The reversal of 97565888 is 88856579.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108443 + ... + 109338.

Almost surely, 2^97565888 is an apocalyptic number.

It is an amenable number.

97565888 is an abundant number, since it is smaller than the sum of its proper divisors (123700624).

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

97565888 is a wasteful number, since it uses less digits than its factorization.

97565888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217800 (or 217790 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 56.

The square root of 97565888 is about 9877.5446341690. The cubic root of 97565888 is about 460.3618576781.

The spelling of 97565888 in words is "ninety-seven million, five hundred sixty-five thousand, eight hundred eighty-eight".