18377927882 has 8 divisors (see below), whose sum is σ = 27839831652. Its totient is φ = 9097984000.

The previous prime is 18377927851. The next prime is 18377927917. The reversal of 18377927882 is 28872977381.

It can be written as a sum of positive squares in 2 ways, for example, as 18217170841 + 160757041 = 134971^2 + 12679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45489719 + ... + 45490122.

Almost surely, 2^18377927882 is an apocalyptic number.

18377927882 is a deficient number, since it is larger than the sum of its proper divisors (9461903770).

18377927882 is a wasteful number, since it uses less digits than its factorization.

18377927882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90979944.

The product of its digits is 18966528, while the sum is 62.

The spelling of 18377927882 in words is "eighteen billion, three hundred seventy-seven million, nine hundred twenty-seven thousand, eight hundred eighty-two".