86516715 has 32 divisors (see below), whose sum is σ = 145670400. Its totient is φ = 43783040.

The previous prime is 86516713. The next prime is 86516761. The reversal of 86516715 is 51761568.

It is not a de Polignac number, because 86516715 - 2¹ = 86516713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86516711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23980 + ... + 27350.

It is an arithmetic number, because the mean of its divisors is an integer number (4552200).

Almost surely, 2^86516715 is an apocalyptic number.

86516715 is a deficient number, since it is larger than the sum of its proper divisors (59153685).

86516715 is a wasteful number, since it uses less digits than its factorization.

86516715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467.

The product of its digits is 50400, while the sum is 39.

The square root of 86516715 is about 9301.4361794295. The cubic root of 86516715 is about 442.2827558856.

The spelling of 86516715 in words is "eighty-six million, five hundred sixteen thousand, seven hundred fifteen".