97157308 has 24 divisors (see below), whose sum is σ = 176626800. Its totient is φ = 46706688.

The previous prime is 97157299. The next prime is 97157311. The reversal of 97157308 is 80375179.

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, 28183 + ... + 31441.

It is an arithmetic number, because the mean of its divisors is an integer number (7359450).

Almost surely, 2^97157308 is an apocalyptic number.

It is an amenable number.

97157308 is a deficient number, since it is larger than the sum of its proper divisors (79469492).

97157308 is a wasteful number, since it uses less digits than its factorization.

97157308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549 (or 3547 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 97157308 is about 9856.8406703162. The cubic root of 97157308 is about 459.7183341827.

The spelling of 97157308 in words is "ninety-seven million, one hundred fifty-seven thousand, three hundred eight".