86715 has 24 divisors (see below), whose sum is σ = 157248. Its totient is φ = 44160.

The previous prime is 86711. The next prime is 86719. The reversal of 86715 is 51768.

It is an interprime number because it is at equal distance from previous prime (86711) and next prime (86719).

It is not a de Polignac number, because 86715 - 2² = 86711 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 86715.

It is not an unprimeable number, because it can be changed into a prime (86711) 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, 1822 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (6552).

2⁸⁶⁷¹⁵ is an apocalyptic number.

86715 is a deficient number, since it is larger than the sum of its proper divisors (70533).

86715 is a wasteful number, since it uses less digits than its factorization.

86715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 96 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 86715 is about 294.4741075205. The cubic root of 86715 is about 44.2620382836.

The spelling of 86715 in words is "eighty-six thousand, seven hundred fifteen".