86316209 has 16 divisors (see below), whose sum is σ = 102384000. Its totient is φ = 71199744.

The previous prime is 86316199. The next prime is 86316239. The reversal of 86316209 is 90261368.

It is a de Polignac number, because none of the positive numbers 2^k-86316209 is a prime.

It is a super-2 number, since 2×86316209² = 14900975872263362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86316239) 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 15 ways as a sum of consecutive naturals, for example, 90674 + ... + 91620.

It is an arithmetic number, because the mean of its divisors is an integer number (6399000).

Almost surely, 2^86316209 is an apocalyptic number.

It is an amenable number.

86316209 is a deficient number, since it is larger than the sum of its proper divisors (16067791).

86316209 is a wasteful number, since it uses less digits than its factorization.

86316209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 86316209 is about 9290.6516994235. The cubic root of 86316209 is about 441.9408221858.

The spelling of 86316209 in words is "eighty-six million, three hundred sixteen thousand, two hundred nine".