86956162291 has 4 divisors (see below), whose sum is σ = 86968607584. Its totient is φ = 86943717000.

The previous prime is 86956162289. The next prime is 86956162303. The reversal of 86956162291 is 19226165968.

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 86956162291 - 2¹ = 86956162289 is a prime.

It is a super-2 number, since 2×86956162291² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86956162211) 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, 6212160 + ... + 6226141.

It is an arithmetic number, because the mean of its divisors is an integer number (21742151896).

Almost surely, 2^86956162291 is an apocalyptic number.

86956162291 is a deficient number, since it is larger than the sum of its proper divisors (12445293).

86956162291 is a wasteful number, since it uses less digits than its factorization.

86956162291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12445292.

The product of its digits is 2799360, while the sum is 55.

The spelling of 86956162291 in words is "eighty-six billion, nine hundred fifty-six million, one hundred sixty-two thousand, two hundred ninety-one".