97660964 has 6 divisors (see below), whose sum is σ = 170906694. Its totient is φ = 48830480.

The previous prime is 97660963. The next prime is 97660973. The reversal of 97660964 is 46906679.

It can be written as a sum of positive squares in only one way, i.e., 96196864 + 1464100 = 9808^2 + 1210^2 .

It is not an unprimeable number, because it can be changed into a prime (97660963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12207617 + ... + 12207624.

It is an arithmetic number, because the mean of its divisors is an integer number (28484449).

Almost surely, 2^97660964 is an apocalyptic number.

It is an amenable number.

97660964 is a deficient number, since it is larger than the sum of its proper divisors (73245730).

97660964 is a wasteful number, since it uses less digits than its factorization.

97660964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24415245 (or 24415243 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 97660964 is about 9882.3561967782. The cubic root of 97660964 is about 460.5113469279.

The spelling of 97660964 in words is "ninety-seven million, six hundred sixty thousand, nine hundred sixty-four".