97257988 has 6 divisors (see below), whose sum is σ = 170201486. Its totient is φ = 48628992.

The previous prime is 97257947. The next prime is 97258009. The reversal of 97257988 is 88975279.

It can be written as a sum of positive squares in only one way, i.e., 95413824 + 1844164 = 9768^2 + 1358^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12157245 + ... + 12157252.

Almost surely, 2^97257988 is an apocalyptic number.

It is an amenable number.

97257988 is a deficient number, since it is larger than the sum of its proper divisors (72943498).

97257988 is a wasteful number, since it uses less digits than its factorization.

97257988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24314501 (or 24314499 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 55.

The square root of 97257988 is about 9861.9464610187. The cubic root of 97257988 is about 459.8770749043.

The spelling of 97257988 in words is "ninety-seven million, two hundred fifty-seven thousand, nine hundred eighty-eight".