97876764 has 18 divisors (see below), whose sum is σ = 247410800. Its totient is φ = 32625576.

The previous prime is 97876763. The next prime is 97876789. The reversal of 97876764 is 46767879.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×97876764² = 19159721862223392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97876764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97876763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1359364 + ... + 1359435.

Almost surely, 2^97876764 is an apocalyptic number.

It is an amenable number.

97876764 is an abundant number, since it is smaller than the sum of its proper divisors (149534036).

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

97876764 is a wasteful number, since it uses less digits than its factorization.

97876764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718809 (or 2718804 counting only the distinct ones).

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

The square root of 97876764 is about 9893.2686206329. The cubic root of 97876764 is about 460.8502924528.

The spelling of 97876764 in words is "ninety-seven million, eight hundred seventy-six thousand, seven hundred sixty-four".