86464717915 has 4 divisors (see below), whose sum is σ = 103757661504. Its totient is φ = 69171774328.

The previous prime is 86464717897. The next prime is 86464717921. The reversal of 86464717915 is 51971746468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86464717915 - 2¹⁷ = 86464586843 is a prime.

It is a super-2 number, since 2×86464717915² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86464717915.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8646471787 + ... + 8646471796.

It is an arithmetic number, because the mean of its divisors is an integer number (25939415376).

Almost surely, 2^86464717915 is an apocalyptic number.

86464717915 is a deficient number, since it is larger than the sum of its proper divisors (17292943589).

86464717915 is a wasteful number, since it uses less digits than its factorization.

86464717915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17292943588.

The product of its digits is 10160640, while the sum is 58.

The spelling of 86464717915 in words is "eighty-six billion, four hundred sixty-four million, seven hundred seventeen thousand, nine hundred fifteen".