13878254179 has 2 divisors, whose sum is σ = 13878254180. Its totient is φ = 13878254178.

The previous prime is 13878254177. The next prime is 13878254263. The reversal of 13878254179 is 97145287831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13878254179 - 2¹ = 13878254177 is a prime.

Together with 13878254177, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13878254177) 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 as a sum of consecutive naturals, namely, 6939127089 + 6939127090.

It is an arithmetic number, because the mean of its divisors is an integer number (6939127090).

Almost surely, 2^13878254179 is an apocalyptic number.

13878254179 is a deficient number, since it is larger than the sum of its proper divisors (1).

13878254179 is an equidigital number, since it uses as much as digits as its factorization.

13878254179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 55.

The spelling of 13878254179 in words is "thirteen billion, eight hundred seventy-eight million, two hundred fifty-four thousand, one hundred seventy-nine".