97664604 has 12 divisors (see below), whose sum is σ = 227884104. Its totient is φ = 32554864.

The previous prime is 97664591. The next prime is 97664621. The reversal of 97664604 is 40646679.

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

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 4069347 + ... + 4069370.

It is an arithmetic number, because the mean of its divisors is an integer number (18990342).

Almost surely, 2^97664604 is an apocalyptic number.

It is an amenable number.

97664604 is an abundant number, since it is smaller than the sum of its proper divisors (130219500).

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

97664604 is a wasteful number, since it uses less digits than its factorization.

97664604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8138724 (or 8138722 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 97664604 is about 9882.5403616681. The cubic root of 97664604 is about 460.5170682193.

The spelling of 97664604 in words is "ninety-seven million, six hundred sixty-four thousand, six hundred four".