18875863336 has 32 divisors (see below), whose sum is σ = 38992013280. Its totient is φ = 8494984000.

The previous prime is 18875863319. The next prime is 18875863343. The reversal of 18875863336 is 63336857881.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052986 + ... + 1070761.

It is an arithmetic number, because the mean of its divisors is an integer number (1218500415).

Almost surely, 2^18875863336 is an apocalyptic number.

It is an amenable number.

18875863336 is an abundant number, since it is smaller than the sum of its proper divisors (20116149944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18875863336 is a wasteful number, since it uses less digits than its factorization.

18875863336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123865 (or 2123861 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 58.

The spelling of 18875863336 in words is "eighteen billion, eight hundred seventy-five million, eight hundred sixty-three thousand, three hundred thirty-six".