18782877243004 has 48 divisors (see below), whose sum is σ = 38594583677440. Its totient is φ = 7829493825600.

The previous prime is 18782877242999. The next prime is 18782877243007. The reversal of 18782877243004 is 40034277828781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18782877243007) 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, 225984 + ... + 6133255.

Almost surely, 2^{18782877243004} is an apocalyptic number.

18782877243004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18782877243004 is an abundant number, since it is smaller than the sum of its proper divisors (19811706434436).

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

18782877243004 is a wasteful number, since it uses less digits than its factorization.

18782877243004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6362138 (or 6362136 counting only the distinct ones).

The product of its (nonzero) digits is 33718272, while the sum is 61.

The spelling of 18782877243004 in words is "eighteen trillion, seven hundred eighty-two billion, eight hundred seventy-seven million, two hundred forty-three thousand, four".