97578960 has 40 divisors (see below), whose sum is σ = 302495520. Its totient is φ = 26020992.

The previous prime is 97578947. The next prime is 97578991. The reversal of 97578960 is 6987579.

It is a tau number, because it is divible by the number of its divisors (40).

It is a nialpdrome in base 15.

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, 203050 + ... + 203529.

It is an arithmetic number, because the mean of its divisors is an integer number (7562388).

Almost surely, 2^97578960 is an apocalyptic number.

It is an amenable number.

97578960 is an abundant number, since it is smaller than the sum of its proper divisors (204916560).

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

97578960 is a wasteful number, since it uses less digits than its factorization.

97578960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406595 (or 406589 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 97578960 is about 9878.2063149137. The cubic root of 97578960 is about 460.3824167129.

The spelling of 97578960 in words is "ninety-seven million, five hundred seventy-eight thousand, nine hundred sixty".