86647051 has 8 divisors (see below), whose sum is σ = 88418304. Its totient is φ = 84891240.

The previous prime is 86647039. The next prime is 86647069. The reversal of 86647051 is 15074668.

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 86647051 - 2⁵ = 86647019 is a prime.

It is a super-2 number, since 2×86647051² = 15015422893993202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86647051.

It is not an unprimeable number, because it can be changed into a prime (86647091) 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, 7830 + ... + 15316.

It is an arithmetic number, because the mean of its divisors is an integer number (11052288).

Almost surely, 2^86647051 is an apocalyptic number.

86647051 is a deficient number, since it is larger than the sum of its proper divisors (1771253).

86647051 is a wasteful number, since it uses less digits than its factorization.

86647051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7721.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 86647051 is about 9308.4397725935. The cubic root of 86647051 is about 442.5047416688.

The spelling of 86647051 in words is "eighty-six million, six hundred forty-seven thousand, fifty-one".