86313239 has 4 divisors (see below), whose sum is σ = 86388120. Its totient is φ = 86238360.

The previous prime is 86313221. The next prime is 86313299. The reversal of 86313239 is 93231368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86313239 - 2²⁴ = 69536023 is a prime.

It is a super-2 number, since 2×86313239² = 14899950453342242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86313199 and 86313208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86313299) 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 3 ways as a sum of consecutive naturals, for example, 35684 + ... + 38025.

It is an arithmetic number, because the mean of its divisors is an integer number (21597030).

Almost surely, 2^86313239 is an apocalyptic number.

86313239 is a deficient number, since it is larger than the sum of its proper divisors (74881).

86313239 is a wasteful number, since it uses less digits than its factorization.

86313239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74880.

The product of its digits is 23328, while the sum is 35.

The square root of 86313239 is about 9290.4918599609. The cubic root of 86313239 is about 441.9357533067.

The spelling of 86313239 in words is "eighty-six million, three hundred thirteen thousand, two hundred thirty-nine".