479770399 has 2 divisors, whose sum is σ = 479770400. Its totient is φ = 479770398.

The previous prime is 479770391. The next prime is 479770433. The reversal of 479770399 is 993077974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479770399 - 2³ = 479770391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479770391) 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, 239885199 + 239885200.

It is an arithmetic number, because the mean of its divisors is an integer number (239885200).

Almost surely, 2^479770399 is an apocalyptic number.

479770399 is a deficient number, since it is larger than the sum of its proper divisors (1).

479770399 is an equidigital number, since it uses as much as digits as its factorization.

479770399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000564, while the sum is 55.

The square root of 479770399 is about 21903.6617714938. The cubic root of 479770399 is about 782.8486670002.

The spelling of 479770399 in words is "four hundred seventy-nine million, seven hundred seventy thousand, three hundred ninety-nine".