86495813 has 8 divisors (see below), whose sum is σ = 92135232. Its totient is φ = 80917696.

The previous prime is 86495789. The next prime is 86495867. The reversal of 86495813 is 31859468.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86495813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86435813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12395 + ... + 18072.

It is an arithmetic number, because the mean of its divisors is an integer number (11516904).

Almost surely, 2^86495813 is an apocalyptic number.

It is an amenable number.

86495813 is a deficient number, since it is larger than the sum of its proper divisors (5639419).

86495813 is a wasteful number, since it uses less digits than its factorization.

86495813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30651.

The product of its digits is 207360, while the sum is 44.

The square root of 86495813 is about 9300.3125216307. The cubic root of 86495813 is about 442.2471352592.

The spelling of 86495813 in words is "eighty-six million, four hundred ninety-five thousand, eight hundred thirteen".