97528764 has 12 divisors (see below), whose sum is σ = 227567144. Its totient is φ = 32509584.

The previous prime is 97528757. The next prime is 97528777. The reversal of 97528764 is 46782579.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 4063687 + ... + 4063710.

Almost surely, 2^97528764 is an apocalyptic number.

It is an amenable number.

97528764 is an abundant number, since it is smaller than the sum of its proper divisors (130038380).

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

97528764 is a wasteful number, since it uses less digits than its factorization.

97528764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8127404 (or 8127402 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 97528764 is about 9875.6652434153. The cubic root of 97528764 is about 460.3034607593.

The spelling of 97528764 in words is "ninety-seven million, five hundred twenty-eight thousand, seven hundred sixty-four".