13979307387 has 8 divisors (see below), whose sum is σ = 18831232336. Its totient is φ = 9223460352.

The previous prime is 13979307343. The next prime is 13979307413. The reversal of 13979307387 is 78370397931.

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

It is not a de Polignac number, because 13979307387 - 2¹¹ = 13979305339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13979307487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24019138 + ... + 24019719.

It is an arithmetic number, because the mean of its divisors is an integer number (2353904042).

Almost surely, 2^13979307387 is an apocalyptic number.

13979307387 is a deficient number, since it is larger than the sum of its proper divisors (4851924949).

13979307387 is an equidigital number, since it uses as much as digits as its factorization.

13979307387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48038957.

The product of its (nonzero) digits is 6001128, while the sum is 57.

The spelling of 13979307387 in words is "thirteen billion, nine hundred seventy-nine million, three hundred seven thousand, three hundred eighty-seven".