13978708379 has 8 divisors (see below), whose sum is σ = 14113242000. Its totient is φ = 13844289312.

The previous prime is 13978708357. The next prime is 13978708409. The reversal of 13978708379 is 97380787931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13978708379 - 2²⁰ = 13977659803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13978708319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227537 + ... + 282365.

It is an arithmetic number, because the mean of its divisors is an integer number (1764155250).

Almost surely, 2^13978708379 is an apocalyptic number.

13978708379 is a deficient number, since it is larger than the sum of its proper divisors (134533621).

13978708379 is a wasteful number, since it uses less digits than its factorization.

13978708379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57277.

The product of its (nonzero) digits is 16003008, while the sum is 62.

The spelling of 13978708379 in words is "thirteen billion, nine hundred seventy-eight million, seven hundred eight thousand, three hundred seventy-nine".