13976849784 has 64 divisors (see below), whose sum is σ = 35520768000. Its totient is φ = 4582350080.

The previous prime is 13976849779. The next prime is 13976849849. The reversal of 13976849784 is 48794867931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390847 + ... + 425105.

It is an arithmetic number, because the mean of its divisors is an integer number (555012000).

Almost surely, 2^13976849784 is an apocalyptic number.

It is an amenable number.

13976849784 is an abundant number, since it is smaller than the sum of its proper divisors (21543918216).

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

13976849784 is a wasteful number, since it uses less digits than its factorization.

13976849784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34548 (or 34544 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 66.

The spelling of 13976849784 in words is "thirteen billion, nine hundred seventy-six million, eight hundred forty-nine thousand, seven hundred eighty-four".