86657157 has 24 divisors (see below), whose sum is σ = 132610400. Its totient is φ = 54377568.

The previous prime is 86657117. The next prime is 86657171. The reversal of 86657157 is 75175668.

It is not a de Polignac number, because 86657157 - 2¹⁴ = 86640773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86657107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26319 + ... + 29427.

Almost surely, 2^86657157 is an apocalyptic number.

It is an amenable number.

86657157 is a deficient number, since it is larger than the sum of its proper divisors (45953243).

86657157 is a wasteful number, since it uses less digits than its factorization.

86657157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297 (or 3294 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 86657157 is about 9308.9825974700. The cubic root of 86657157 is about 442.5219447127.

The spelling of 86657157 in words is "eighty-six million, six hundred fifty-seven thousand, one hundred fifty-seven".