86531315 has 8 divisors (see below), whose sum is σ = 111825168. Its totient is φ = 63900000.

The previous prime is 86531299. The next prime is 86531329. The reversal of 86531315 is 51313568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86531315 - 2⁴ = 86531299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665561 + ... + 665690.

It is an arithmetic number, because the mean of its divisors is an integer number (13978146).

Almost surely, 2^86531315 is an apocalyptic number.

86531315 is a deficient number, since it is larger than the sum of its proper divisors (25293853).

86531315 is a wasteful number, since it uses less digits than its factorization.

86531315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331269.

The product of its digits is 10800, while the sum is 32.

The square root of 86531315 is about 9302.2209713595. The cubic root of 86531315 is about 442.3076334099.

The spelling of 86531315 in words is "eighty-six million, five hundred thirty-one thousand, three hundred fifteen".