86316239 has 2 divisors, whose sum is σ = 86316240. Its totient is φ = 86316238.

The previous prime is 86316199. The next prime is 86316287. The reversal of 86316239 is 93261368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86316239 - 2²⁴ = 69539023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86316289) 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 as a sum of consecutive naturals, namely, 43158119 + 43158120.

It is an arithmetic number, because the mean of its divisors is an integer number (43158120).

Almost surely, 2^86316239 is an apocalyptic number.

86316239 is a deficient number, since it is larger than the sum of its proper divisors (1).

86316239 is an equidigital number, since it uses as much as digits as its factorization.

86316239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 86316239 is about 9290.6533139495. The cubic root of 86316239 is about 441.9408733860.

The spelling of 86316239 in words is "eighty-six million, three hundred sixteen thousand, two hundred thirty-nine".