97767864 has 32 divisors (see below), whose sum is σ = 271578000. Its totient is φ = 32589216.

The previous prime is 97767841. The next prime is 97767907. The reversal of 97767864 is 46876779.

It is a super-2 number, since 2×97767864² = 19117110462244992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 97767864.

It is a congruent number.

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, 226099 + ... + 226530.

Almost surely, 2^97767864 is an apocalyptic number.

It is an amenable number.

97767864 is an abundant number, since it is smaller than the sum of its proper divisors (173810136).

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

97767864 is a wasteful number, since it uses less digits than its factorization.

97767864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452644 (or 452634 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 97767864 is about 9887.7633466826. The cubic root of 97767864 is about 460.6793113835.

The spelling of 97767864 in words is "ninety-seven million, seven hundred sixty-seven thousand, eight hundred sixty-four".