18877130042768 has 40 divisors (see below), whose sum is σ = 36758954999520. Its totient is φ = 9391001070080.

The previous prime is 18877130042767. The next prime is 18877130042773. The reversal of 18877130042768 is 86724003177881.

It is a self number, because there is not a number n which added to its sum of digits gives 18877130042768.

It is not an unprimeable number, because it can be changed into a prime (18877130042767) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4051688 + ... + 7360056.

It is an arithmetic number, because the mean of its divisors is an integer number (918973874988).

Almost surely, 2^{18877130042768} is an apocalyptic number.

It is an amenable number.

18877130042768 is a deficient number, since it is larger than the sum of its proper divisors (17881824956752).

18877130042768 is a wasteful number, since it uses less digits than its factorization.

18877130042768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310175 (or 3310169 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 62.

The spelling of 18877130042768 in words is "eighteen trillion, eight hundred seventy-seven billion, one hundred thirty million, forty-two thousand, seven hundred sixty-eight".