18787104860 has 12 divisors (see below), whose sum is σ = 39452920248. Its totient is φ = 7514841936.

The previous prime is 18787104857. The next prime is 18787104877. The reversal of 18787104860 is 6840178781.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18787104799 and 18787104808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469677602 + ... + 469677641.

It is an arithmetic number, because the mean of its divisors is an integer number (3287743354).

Almost surely, 2^18787104860 is an apocalyptic number.

18787104860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18787104860 is an abundant number, since it is smaller than the sum of its proper divisors (20665815388).

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

18787104860 is a wasteful number, since it uses less digits than its factorization.

18787104860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939355252 (or 939355250 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 50.

The spelling of 18787104860 in words is "eighteen billion, seven hundred eighty-seven million, one hundred four thousand, eight hundred sixty".