86361957 has 24 divisors (see below), whose sum is σ = 141130080. Its totient is φ = 52338960.

The previous prime is 86361953. The next prime is 86361997. The reversal of 86361957 is 75916368.

It is a happy number.

86361957 is a `hidden beast` number, since 8 + 636 + 1 + 9 + 5 + 7 = 666.

It is not a de Polignac number, because 86361957 - 2² = 86361953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86361953) 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, 13482 + ... + 18827.

It is an arithmetic number, because the mean of its divisors is an integer number (5880420).

Almost surely, 2^86361957 is an apocalyptic number.

It is an amenable number.

86361957 is a deficient number, since it is larger than the sum of its proper divisors (54768123).

86361957 is a wasteful number, since it uses less digits than its factorization.

86361957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32335 (or 32323 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 86361957 is about 9293.1134180101. The cubic root of 86361957 is about 442.0188853065.

The spelling of 86361957 in words is "eighty-six million, three hundred sixty-one thousand, nine hundred fifty-seven".