86564096669 has 4 divisors (see below), whose sum is σ = 87404524896. Its totient is φ = 85723668444.

The previous prime is 86564096657. The next prime is 86564096683. The reversal of 86564096669 is 96669046568.

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-86564096669 is a prime.

It is a super-2 number, since 2×86564096669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86564096699) 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, 420213959 + ... + 420214164.

It is an arithmetic number, because the mean of its divisors is an integer number (21851131224).

Almost surely, 2^86564096669 is an apocalyptic number.

It is an amenable number.

86564096669 is a deficient number, since it is larger than the sum of its proper divisors (840428227).

86564096669 is a wasteful number, since it uses less digits than its factorization.

86564096669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840428226.

The product of its (nonzero) digits is 100776960, while the sum is 65.

The spelling of 86564096669 in words is "eighty-six billion, five hundred sixty-four million, ninety-six thousand, six hundred sixty-nine".