97297564 has 24 divisors (see below), whose sum is σ = 209564768. Its totient is φ = 38491200.

The previous prime is 97297553. The next prime is 97297583. The reversal of 97297564 is 46579279.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133287 + ... + 134014.

Almost surely, 2^97297564 is an apocalyptic number.

It is an amenable number.

97297564 is an abundant number, since it is smaller than the sum of its proper divisors (112267204).

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

97297564 is a wasteful number, since it uses less digits than its factorization.

97297564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267325 (or 267323 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 97297564 is about 9863.9527573889. The cubic root of 97297564 is about 459.9394438243.

The spelling of 97297564 in words is "ninety-seven million, two hundred ninety-seven thousand, five hundred sixty-four".