97331688 has 24 divisors (see below), whose sum is σ = 263606850. Its totient is φ = 32443872.

The previous prime is 97331677. The next prime is 97331711. The reversal of 97331688 is 88613379.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 65318724 + 32012964 = 8082^2 + 5658^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 675843 + ... + 675986.

Almost surely, 2^97331688 is an apocalyptic number.

It is an amenable number.

97331688 is an abundant number, since it is smaller than the sum of its proper divisors (166275162).

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

97331688 is a wasteful number, since it uses less digits than its factorization.

97331688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351841 (or 1351834 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 97331688 is about 9865.6823382876. The cubic root of 97331688 is about 459.9932072091.

The spelling of 97331688 in words is "ninety-seven million, three hundred thirty-one thousand, six hundred eighty-eight".