18478860952 has 8 divisors (see below), whose sum is σ = 34647864300. Its totient is φ = 9239430472.

The previous prime is 18478860943. The next prime is 18478861067. The reversal of 18478860952 is 25906887481.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154928802 + ... + 1154928817.

Almost surely, 2^18478860952 is an apocalyptic number.

It is an amenable number.

18478860952 is a deficient number, since it is larger than the sum of its proper divisors (16169003348).

18478860952 is a wasteful number, since it uses less digits than its factorization.

18478860952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309857625 (or 2309857621 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 18478860952 in words is "eighteen billion, four hundred seventy-eight million, eight hundred sixty thousand, nine hundred fifty-two".