86663715 has 16 divisors (see below), whose sum is σ = 138939648. Its totient is φ = 46128096.

The previous prime is 86663683. The next prime is 86663729. The reversal of 86663715 is 51736668.

It is not a de Polignac number, because 86663715 - 2⁵ = 86663683 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2322 + ... + 13368.

It is an arithmetic number, because the mean of its divisors is an integer number (8683728).

Almost surely, 2^86663715 is an apocalyptic number.

86663715 is a deficient number, since it is larger than the sum of its proper divisors (52275933).

86663715 is a wasteful number, since it uses less digits than its factorization.

86663715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11578.

The product of its digits is 181440, while the sum is 42.

The square root of 86663715 is about 9309.3348312326. The cubic root of 86663715 is about 442.5331074211.

It can be divided in two parts, 86663 and 715, that added together give a palindrome (87378).

The spelling of 86663715 in words is "eighty-six million, six hundred sixty-three thousand, seven hundred fifteen".