558423979 has 2 divisors, whose sum is σ = 558423980. Its totient is φ = 558423978.

The previous prime is 558423947. The next prime is 558423991. The reversal of 558423979 is 979324855.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 558423979 - 2⁵ = 558423947 is a prime.

It is not a weakly prime, because it can be changed into another prime (558423179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279211989 + 279211990.

It is an arithmetic number, because the mean of its divisors is an integer number (279211990).

Almost surely, 2^558423979 is an apocalyptic number.

558423979 is a deficient number, since it is larger than the sum of its proper divisors (1).

558423979 is an equidigital number, since it uses as much as digits as its factorization.

558423979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 52.

The square root of 558423979 is about 23630.9961491258. The cubic root of 558423979 is about 823.4830915151.

The spelling of 558423979 in words is "five hundred fifty-eight million, four hundred twenty-three thousand, nine hundred seventy-nine".