455404727179 has 2 divisors, whose sum is σ = 455404727180. Its totient is φ = 455404727178.

The previous prime is 455404727123. The next prime is 455404727209. The reversal of 455404727179 is 971727404554.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455404727179 - 2²⁵ = 455371172747 is a prime.

It is not a weakly prime, because it can be changed into another prime (455474727179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227702363589 + 227702363590.

It is an arithmetic number, because the mean of its divisors is an integer number (227702363590).

Almost surely, 2^455404727179 is an apocalyptic number.

455404727179 is a deficient number, since it is larger than the sum of its proper divisors (1).

455404727179 is an equidigital number, since it uses as much as digits as its factorization.

455404727179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 455404727179 in words is "four hundred fifty-five billion, four hundred four million, seven hundred twenty-seven thousand, one hundred seventy-nine".