86308817 has 4 divisors (see below), whose sum is σ = 98638656. Its totient is φ = 73978980.

The previous prime is 86308787. The next prime is 86308829. The reversal of 86308817 is 71880368.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86308817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86308877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6164909 + ... + 6164922.

It is an arithmetic number, because the mean of its divisors is an integer number (24659664).

Almost surely, 2^86308817 is an apocalyptic number.

It is an amenable number.

86308817 is a deficient number, since it is larger than the sum of its proper divisors (12329839).

86308817 is a wasteful number, since it uses less digits than its factorization.

86308817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12329838.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 86308817 is about 9290.2538716657. The cubic root of 86308817 is about 441.9282060934.

The spelling of 86308817 in words is "eighty-six million, three hundred eight thousand, eight hundred seventeen".