479638427 has 2 divisors, whose sum is σ = 479638428. Its totient is φ = 479638426.

The previous prime is 479638403. The next prime is 479638433. The reversal of 479638427 is 724836974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 479638427 - 2²⁴ = 462861211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (479638457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239819213 + 239819214.

It is an arithmetic number, because the mean of its divisors is an integer number (239819214).

Almost surely, 2^479638427 is an apocalyptic number.

479638427 is a deficient number, since it is larger than the sum of its proper divisors (1).

479638427 is an equidigital number, since it uses as much as digits as its factorization.

479638427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 50.

The square root of 479638427 is about 21900.6490086481. The cubic root of 479638427 is about 782.7768801768.

The spelling of 479638427 in words is "four hundred seventy-nine million, six hundred thirty-eight thousand, four hundred twenty-seven".