65827872856 has 16 divisors (see below), whose sum is σ = 123434733240. Its totient is φ = 32911944000.

The previous prime is 65827872823. The next prime is 65827872871.

65827872856 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103645 + ... + 377356.

Almost surely, 2^65827872856 is an apocalyptic number.

It is an amenable number.

65827872856 is a deficient number, since it is larger than the sum of its proper divisors (57606860384).

65827872856 is a wasteful number, since it uses less digits than its factorization.

65827872856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498114 (or 498110 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 64.

The spelling of 65827872856 in words is "sixty-five billion, eight hundred twenty-seven million, eight hundred seventy-two thousand, eight hundred fifty-six".