86609957 has 8 divisors (see below), whose sum is σ = 99066432. Its totient is φ = 74174400.

The previous prime is 86609953. The next prime is 86609969. The reversal of 86609957 is 75990668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86609957 - 2² = 86609953 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 (86609953) 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, 4982 + ... + 14072.

It is an arithmetic number, because the mean of its divisors is an integer number (12383304).

Almost surely, 2^86609957 is an apocalyptic number.

It is an amenable number.

86609957 is a deficient number, since it is larger than the sum of its proper divisors (12456475).

86609957 is a wasteful number, since it uses less digits than its factorization.

86609957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10459.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 86609957 is about 9306.4470664158. The cubic root of 86609957 is about 442.4415865523.

The spelling of 86609957 in words is "eighty-six million, six hundred nine thousand, nine hundred fifty-seven".