86868315 has 16 divisors (see below), whose sum is σ = 154432800. Its totient is φ = 46329696.

The previous prime is 86868289. The next prime is 86868349. The reversal of 86868315 is 51386868.

It is not a de Polignac number, because 86868315 - 2¹⁵ = 86835547 is a prime.

It is a super-2 number, since 2×86868315² = 15092208301878450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 321600 + ... + 321869.

It is an arithmetic number, because the mean of its divisors is an integer number (9652050).

Almost surely, 2^86868315 is an apocalyptic number.

86868315 is a deficient number, since it is larger than the sum of its proper divisors (67564485).

86868315 is a wasteful number, since it uses less digits than its factorization.

86868315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643483 (or 643477 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 86868315 is about 9320.3173229242. The cubic root of 86868315 is about 442.8810850987.

The spelling of 86868315 in words is "eighty-six million, eight hundred sixty-eight thousand, three hundred fifteen".