18788825883568 has 80 divisors (see below), whose sum is σ = 39403591821216. Its totient is φ = 8627625492480.

The previous prime is 18788825883563. The next prime is 18788825883617. The reversal of 18788825883568 is 86538852888781.

It is not an unprimeable number, because it can be changed into a prime (18788825883563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37482846 + ... + 37980802.

Almost surely, 2^{18788825883568} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18788825883568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19701795910608).

18788825883568 is an abundant number, since it is smaller than the sum of its proper divisors (20614765937648).

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

18788825883568 is a wasteful number, since it uses less digits than its factorization.

18788825883568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498902 (or 498896 counting only the distinct ones).

The product of its digits is 13212057600, while the sum is 85.

The spelling of 18788825883568 in words is "eighteen trillion, seven hundred eighty-eight billion, eight hundred twenty-five million, eight hundred eighty-three thousand, five hundred sixty-eight".