97089664 has 32 divisors (see below), whose sum is σ = 221054400. Its totient is φ = 41609472.

The previous prime is 97089653. The next prime is 97089689. The reversal of 97089664 is 46698079.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53284 + ... + 55075.

It is an arithmetic number, because the mean of its divisors is an integer number (6907950).

Almost surely, 2^97089664 is an apocalyptic number.

It is an amenable number.

97089664 is an abundant number, since it is smaller than the sum of its proper divisors (123964736).

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

97089664 is a wasteful number, since it uses less digits than its factorization.

97089664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108380 (or 108368 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 97089664 is about 9853.4087502752. The cubic root of 97089664 is about 459.6116192500.

The spelling of 97089664 in words is "ninety-seven million, eighty-nine thousand, six hundred sixty-four".