13977146672 has 20 divisors (see below), whose sum is σ = 27524669856. Its totient is φ = 6874006080.

The previous prime is 13977146647. The next prime is 13977146723. The reversal of 13977146672 is 27664177931.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 7159448 + ... + 7161399.

Almost surely, 2^13977146672 is an apocalyptic number.

It is an amenable number.

13977146672 is a deficient number, since it is larger than the sum of its proper divisors (13547523184).

13977146672 is a wasteful number, since it uses less digits than its factorization.

13977146672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14320916 (or 14320910 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 53.

The spelling of 13977146672 in words is "thirteen billion, nine hundred seventy-seven million, one hundred forty-six thousand, six hundred seventy-two".