86320817 has 16 divisors (see below), whose sum is σ = 98703360. Its totient is φ = 74725200.

The previous prime is 86320783. The next prime is 86320837. The reversal of 86320817 is 71802368.

It is not a de Polignac number, because 86320817 - 2⁸ = 86320561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86320837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67934 + ... + 69192.

It is an arithmetic number, because the mean of its divisors is an integer number (6168960).

Almost surely, 2^86320817 is an apocalyptic number.

It is an amenable number.

86320817 is a deficient number, since it is larger than the sum of its proper divisors (12382543).

86320817 is a wasteful number, since it uses less digits than its factorization.

86320817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 86320817 is about 9290.8996873285. The cubic root of 86320817 is about 441.9486863985.

The spelling of 86320817 in words is "eighty-six million, three hundred twenty thousand, eight hundred seventeen".