65864846856 has 16 divisors (see below), whose sum is σ = 164662117200. Its totient is φ = 21954948944.

The previous prime is 65864846837. The next prime is 65864846867.

65864846856 is nontrivially palindromic in base 10.

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, 1372184286 + ... + 1372184333.

It is an arithmetic number, because the mean of its divisors is an integer number (10291382325).

Almost surely, 2^65864846856 is an apocalyptic number.

It is an amenable number.

65864846856 is an abundant number, since it is smaller than the sum of its proper divisors (98797270344).

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

65864846856 is a wasteful number, since it uses less digits than its factorization.

65864846856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744368628 (or 2744368624 counting only the distinct ones).

The product of its digits is 265420800, while the sum is 66.

The spelling of 65864846856 in words is "sixty-five billion, eight hundred sixty-four million, eight hundred forty-six thousand, eight hundred fifty-six".