51884680844 has 12 divisors (see below), whose sum is σ = 95577043800. Its totient is φ = 24576954048.

The previous prime is 51884680819. The next prime is 51884680931. The reversal of 51884680844 is 44808648815.

It is a self number, because there is not a number n which added to its sum of digits gives 51884680844.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341346509 + ... + 341346660.

It is an arithmetic number, because the mean of its divisors is an integer number (7964753650).

Almost surely, 2^51884680844 is an apocalyptic number.

It is an amenable number.

51884680844 is a deficient number, since it is larger than the sum of its proper divisors (43692362956).

51884680844 is a wasteful number, since it uses less digits than its factorization.

51884680844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682693192 (or 682693190 counting only the distinct ones).

The product of its (nonzero) digits is 7864320, while the sum is 56.

The spelling of 51884680844 in words is "fifty-one billion, eight hundred eighty-four million, six hundred eighty thousand, eight hundred forty-four".