18874747576 has 16 divisors (see below), whose sum is σ = 35395676640. Its totient is φ = 9435900480.

The previous prime is 18874747559. The next prime is 18874747583. The reversal of 18874747576 is 67574747881.

It is a congruent 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, 128736 + ... + 233071.

It is an arithmetic number, because the mean of its divisors is an integer number (2212229790).

Almost surely, 2^18874747576 is an apocalyptic number.

It is an amenable number.

18874747576 is a deficient number, since it is larger than the sum of its proper divisors (16520929064).

18874747576 is a wasteful number, since it uses less digits than its factorization.

18874747576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368334 (or 368330 counting only the distinct ones).

The product of its digits is 73758720, while the sum is 64.

The spelling of 18874747576 in words is "eighteen billion, eight hundred seventy-four million, seven hundred forty-seven thousand, five hundred seventy-six".