18787608848708 has 48 divisors (see below), whose sum is σ = 37787120784000. Its totient is φ = 8006429291520.

The previous prime is 18787608848677. The next prime is 18787608848753. The reversal of 18787608848708 is 80784880678781.

It is a super-2 number, since 2×18787608848708² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106873268 + ... + 107048916.

It is an arithmetic number, because the mean of its divisors is an integer number (787231683000).

Almost surely, 2^{18787608848708} is an apocalyptic number.

It is an amenable number.

18787608848708 is an abundant number, since it is smaller than the sum of its proper divisors (18999511935292).

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

18787608848708 is a wasteful number, since it uses less digits than its factorization.

18787608848708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197180 (or 197178 counting only the distinct ones).

The product of its (nonzero) digits is 2157969408, while the sum is 80.

The spelling of 18787608848708 in words is "eighteen trillion, seven hundred eighty-seven billion, six hundred eight million, eight hundred forty-eight thousand, seven hundred eight".