86181315 has 32 divisors (see below), whose sum is σ = 153639936. Its totient is φ = 40892160.

The previous prime is 86181269. The next prime is 86181317. The reversal of 86181315 is 51318168.

It is not a de Polignac number, because 86181315 - 2⁷ = 86181187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (86181317) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2199 + ... + 13311.

It is an arithmetic number, because the mean of its divisors is an integer number (4801248).

Almost surely, 2^86181315 is an apocalyptic number.

86181315 is a deficient number, since it is larger than the sum of its proper divisors (67458621).

86181315 is a wasteful number, since it uses less digits than its factorization.

86181315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11179.

The product of its digits is 5760, while the sum is 33.

The square root of 86181315 is about 9283.3891979169. The cubic root of 86181315 is about 441.7104821054.

The spelling of 86181315 in words is "eighty-six million, one hundred eighty-one thousand, three hundred fifteen".