97666888 has 16 divisors (see below), whose sum is σ = 199773360. Its totient is φ = 44394000.

The previous prime is 97666837. The next prime is 97666903. The reversal of 97666888 is 88866679.

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, 554838 + ... + 555013.

It is an arithmetic number, because the mean of its divisors is an integer number (12485835).

Almost surely, 2^97666888 is an apocalyptic number.

It is an amenable number.

97666888 is an abundant number, since it is smaller than the sum of its proper divisors (102106472).

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

97666888 is a wasteful number, since it uses less digits than its factorization.

97666888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109868 (or 1109864 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 58.

The square root of 97666888 is about 9882.6559183248. The cubic root of 97666888 is about 460.5206580998.

The spelling of 97666888 in words is "ninety-seven million, six hundred sixty-six thousand, eight hundred eighty-eight".