97845988 has 12 divisors (see below), whose sum is σ = 173576620. Its totient is φ = 48252672.

The previous prime is 97845973. The next prime is 97846009. The reversal of 97845988 is 88954879.

It can be written as a sum of positive squares in 2 ways, for example, as 36505764 + 61340224 = 6042^2 + 7832^2 .

It is a super-2 number, since 2×97845988² = 19147674735392288, which contains 22 as substring.

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, 167253 + ... + 167836.

Almost surely, 2^97845988 is an apocalyptic number.

It is an amenable number.

97845988 is a deficient number, since it is larger than the sum of its proper divisors (75730632).

97845988 is a wasteful number, since it uses less digits than its factorization.

97845988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335166 (or 335164 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 58.

The square root of 97845988 is about 9891.7130973356. The cubic root of 97845988 is about 460.8019847141.

The spelling of 97845988 in words is "ninety-seven million, eight hundred forty-five thousand, nine hundred eighty-eight".