13387877280844 has 24 divisors (see below), whose sum is σ = 25564868195328. Its totient is φ = 6083924148240.

The previous prime is 13387877280773. The next prime is 13387877280913. The reversal of 13387877280844 is 44808277878331.

13387877280844 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36681744 + ... + 37044919.

It is an arithmetic number, because the mean of its divisors is an integer number (1065202841472).

Almost surely, 2^{13387877280844} is an apocalyptic number.

It is an amenable number.

13387877280844 is a deficient number, since it is larger than the sum of its proper divisors (12176990914484).

13387877280844 is a wasteful number, since it uses less digits than its factorization.

13387877280844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73730805 (or 73730803 counting only the distinct ones).

The product of its (nonzero) digits is 404619264, while the sum is 70.

The spelling of 13387877280844 in words is "thirteen trillion, three hundred eighty-seven billion, eight hundred seventy-seven million, two hundred eighty thousand, eight hundred forty-four".