86379057 has 24 divisors (see below), whose sum is σ = 132571296. Its totient is φ = 54009216.

The previous prime is 86379047. The next prime is 86379061. The reversal of 86379057 is 75097368.

It is a happy number.

86379057 is a `hidden beast` number, since 8 + 637 + 9 + 0 + 5 + 7 = 666.

It is not a de Polignac number, because 86379057 - 2⁸ = 86378801 is a prime.

It is a super-2 number, since 2×86379057² = 14922682976418498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86379017) 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, 52278 + ... + 53904.

It is an arithmetic number, because the mean of its divisors is an integer number (5523804).

Almost surely, 2^86379057 is an apocalyptic number.

It is an amenable number.

86379057 is a deficient number, since it is larger than the sum of its proper divisors (46192239).

86379057 is a wasteful number, since it uses less digits than its factorization.

86379057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 86379057 is about 9294.0334085907. The cubic root of 86379057 is about 442.0480571949.

The spelling of 86379057 in words is "eighty-six million, three hundred seventy-nine thousand, fifty-seven".