86976239 has 8 divisors (see below), whose sum is σ = 99626400. Its totient is φ = 74382336.

The previous prime is 86976203. The next prime is 86976247. The reversal of 86976239 is 93267968.

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

It is not a de Polignac number, because 86976239 - 2²⁰ = 85927663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86976259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10694 + ... + 16979.

It is an arithmetic number, because the mean of its divisors is an integer number (12453300).

Almost surely, 2^86976239 is an apocalyptic number.

86976239 is a deficient number, since it is larger than the sum of its proper divisors (12650161).

86976239 is a wasteful number, since it uses less digits than its factorization.

86976239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28129.

The product of its digits is 979776, while the sum is 50.

The square root of 86976239 is about 9326.1052428117. The cubic root of 86976239 is about 443.0644189858.

The spelling of 86976239 in words is "eighty-six million, nine hundred seventy-six thousand, two hundred thirty-nine".