86965313913 has 12 divisors (see below), whose sum is σ = 125628745060. Its totient is φ = 57971254176.

The previous prime is 86965313909. The next prime is 86965313927. The reversal of 86965313913 is 31931356968.

86965313913 is a `hidden beast` number, since 8 + 6 + 96 + 531 + 3 + 9 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86363691129 + 601622784 = 293877^2 + 24528^2 .

It is not a de Polignac number, because 86965313913 - 2² = 86965313909 is a prime.

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 86965313913.

It is not an unprimeable number, because it can be changed into a prime (86965314913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369406 + ... + 557127.

Almost surely, 2^86965313913 is an apocalyptic number.

It is an amenable number.

86965313913 is a deficient number, since it is larger than the sum of its proper divisors (38663431147).

86965313913 is a wasteful number, since it uses less digits than its factorization.

86965313913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936968 (or 936965 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The spelling of 86965313913 in words is "eighty-six billion, nine hundred sixty-five million, three hundred thirteen thousand, nine hundred thirteen".