97682564 has 24 divisors (see below), whose sum is σ = 203860608. Its totient is φ = 40043520.

The previous prime is 97682549. The next prime is 97682579. The reversal of 97682564 is 46528679.

It is an interprime number because it is at equal distance from previous prime (97682549) and next prime (97682579).

It is a super-2 number, since 2×97682564² = 19083766619228192, which contains 22 as substring.

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, 75197 + ... + 76484.

It is an arithmetic number, because the mean of its divisors is an integer number (8494192).

Almost surely, 2^97682564 is an apocalyptic number.

It is an amenable number.

97682564 is an abundant number, since it is smaller than the sum of its proper divisors (106178044).

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

97682564 is a wasteful number, since it uses less digits than its factorization.

97682564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151715 (or 151713 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 97682564 is about 9883.4489931400. The cubic root of 97682564 is about 460.5452953670.

The spelling of 97682564 in words is "ninety-seven million, six hundred eighty-two thousand, five hundred sixty-four".