18788472883770 has 32 divisors (see below), whose sum is σ = 45092911090752. Its totient is φ = 5010195416832.

The previous prime is 18788472883759. The next prime is 18788472883837. The reversal of 18788472883770 is 7738827488781.

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, 1590367 + ... + 6332946.

It is an arithmetic number, because the mean of its divisors is an integer number (1409153471586).

Almost surely, 2^{18788472883770} is an apocalyptic number.

18788472883770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18788472883770 is an abundant number, since it is smaller than the sum of its proper divisors (26304438206982).

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

18788472883770 is a wasteful number, since it uses less digits than its factorization.

18788472883770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8002366.

The product of its (nonzero) digits is 1888223232, while the sum is 78.

The spelling of 18788472883770 in words is "eighteen trillion, seven hundred eighty-eight billion, four hundred seventy-two million, eight hundred eighty-three thousand, seven hundred seventy".