14423777786879 has 2 divisors, whose sum is σ = 14423777786880. Its totient is φ = 14423777786878.

The previous prime is 14423777786857. The next prime is 14423777786939. The reversal of 14423777786879 is 97868777732441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14423777786879 - 2³² = 14419482819583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14423777786819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7211888893439 + 7211888893440.

It is an arithmetic number, because the mean of its divisors is an integer number (7211888893440).

Almost surely, 2^{14423777786879} is an apocalyptic number.

14423777786879 is a deficient number, since it is larger than the sum of its proper divisors (1).

14423777786879 is an equidigital number, since it uses as much as digits as its factorization.

14423777786879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5576159232, while the sum is 80.

The spelling of 14423777786879 in words is "fourteen trillion, four hundred twenty-three billion, seven hundred seventy-seven million, seven hundred eighty-six thousand, eight hundred seventy-nine".