13887638888 has 16 divisors (see below), whose sum is σ = 26051760000. Its totient is φ = 6940502896.

The previous prime is 13887638873. The next prime is 13887638911. The reversal of 13887638888 is 88883678831.

13887638888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 396728 + ... + 430311.

It is an arithmetic number, because the mean of its divisors is an integer number (1628235000).

Almost surely, 2^13887638888 is an apocalyptic number.

It is an amenable number.

13887638888 is a deficient number, since it is larger than the sum of its proper divisors (12164121112).

13887638888 is a wasteful number, since it uses less digits than its factorization.

13887638888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829144 (or 829140 counting only the distinct ones).

The product of its digits is 99090432, while the sum is 68.

The spelling of 13887638888 in words is "thirteen billion, eight hundred eighty-seven million, six hundred thirty-eight thousand, eight hundred eighty-eight".