97157258 has 16 divisors (see below), whose sum is σ = 159251616. Its totient is φ = 44088240.

The previous prime is 97157257. The next prime is 97157273. The reversal of 97157258 is 85275179.

It is not an unprimeable number, because it can be changed into a prime (97157257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10985 + ... + 17747.

It is an arithmetic number, because the mean of its divisors is an integer number (9953226).

Almost surely, 2^97157258 is an apocalyptic number.

97157258 is a deficient number, since it is larger than the sum of its proper divisors (62094358).

97157258 is a wasteful number, since it uses less digits than its factorization.

97157258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429.

The product of its digits is 176400, while the sum is 44.

The square root of 97157258 is about 9856.8381340063. The cubic root of 97157258 is about 459.7182553212.

The spelling of 97157258 in words is "ninety-seven million, one hundred fifty-seven thousand, two hundred fifty-eight".