97578680 has 32 divisors (see below), whose sum is σ = 231109200. Its totient is φ = 36976896.

The previous prime is 97578643. The next prime is 97578697. The reversal of 97578680 is 8687579.

It is a happy number.

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, 63437 + ... + 64956.

Almost surely, 2^97578680 is an apocalyptic number.

It is an amenable number.

97578680 is an abundant number, since it is smaller than the sum of its proper divisors (133530520).

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

97578680 is a wasteful number, since it uses less digits than its factorization.

97578680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128423 (or 128419 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 97578680 is about 9878.1921422900. The cubic root of 97578680 is about 460.3819763612.

The spelling of 97578680 in words is "ninety-seven million, five hundred seventy-eight thousand, six hundred eighty".