86396815 has 8 divisors (see below), whose sum is σ = 104071968. Its totient is φ = 68853600.

The previous prime is 86396797. The next prime is 86396831. The reversal of 86396815 is 51869368.

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

It is not a de Polignac number, because 86396815 - 2¹³ = 86388623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31536 + ... + 34165.

It is an arithmetic number, because the mean of its divisors is an integer number (13008996).

Almost surely, 2^86396815 is an apocalyptic number.

86396815 is a deficient number, since it is larger than the sum of its proper divisors (17675153).

86396815 is a wasteful number, since it uses less digits than its factorization.

86396815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65969.

The product of its digits is 311040, while the sum is 46.

The square root of 86396815 is about 9294.9887035972. The cubic root of 86396815 is about 442.0783475292.

The spelling of 86396815 in words is "eighty-six million, three hundred ninety-six thousand, eight hundred fifteen".