65786864406 has 8 divisors (see below), whose sum is σ = 131573728824. Its totient is φ = 21928954800.

The previous prime is 65786864399. The next prime is 65786864411. The reversal of 65786864406 is 60446868756.

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

65786864406 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 65786864406.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5482238695 + ... + 5482238706.

It is an arithmetic number, because the mean of its divisors is an integer number (16446716103).

Almost surely, 2^65786864406 is an apocalyptic number.

65786864406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65786864406 is a wasteful number, since it uses less digits than its factorization.

65786864406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10964477406.

The product of its (nonzero) digits is 46448640, while the sum is 60.

The spelling of 65786864406 in words is "sixty-five billion, seven hundred eighty-six million, eight hundred sixty-four thousand, four hundred six".