13977884544 has 96 divisors (see below), whose sum is σ = 40204697400. Its totient is φ = 4300867584.

The previous prime is 13977884539. The next prime is 13977884617. The reversal of 13977884544 is 44548877931.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42799 + ... + 172590.

Almost surely, 2^13977884544 is an apocalyptic number.

It is an amenable number.

13977884544 is an abundant number, since it is smaller than the sum of its proper divisors (26226812856).

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

13977884544 is a wasteful number, since it uses less digits than its factorization.

13977884544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215432 (or 215407 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 60.

The spelling of 13977884544 in words is "thirteen billion, nine hundred seventy-seven million, eight hundred eighty-four thousand, five hundred forty-four".