18879683752 has 16 divisors (see below), whose sum is σ = 35404264800. Its totient is φ = 9438546480.

The previous prime is 18879683749. The next prime is 18879683777. The reversal of 18879683752 is 25738697881.

It is a happy number.

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, 98524 + ... + 217867.

It is an arithmetic number, because the mean of its divisors is an integer number (2212766550).

Almost surely, 2^18879683752 is an apocalyptic number.

It is an amenable number.

18879683752 is a deficient number, since it is larger than the sum of its proper divisors (16524581048).

18879683752 is a wasteful number, since it uses less digits than its factorization.

18879683752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323856 (or 323852 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 64.

The spelling of 18879683752 in words is "eighteen billion, eight hundred seventy-nine million, six hundred eighty-three thousand, seven hundred fifty-two".