479587609 has 4 divisors (see below), whose sum is σ = 480440016. Its totient is φ = 478735204.

The previous prime is 479587567. The next prime is 479587631. The reversal of 479587609 is 906785974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479587609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 479587609.

It is not an unprimeable number, because it can be changed into a prime (479587649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425359 + ... + 426484.

It is an arithmetic number, because the mean of its divisors is an integer number (120110004).

Almost surely, 2^479587609 is an apocalyptic number.

It is an amenable number.

479587609 is a deficient number, since it is larger than the sum of its proper divisors (852407).

479587609 is an equidigital number, since it uses as much as digits as its factorization.

479587609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852406.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 479587609 is about 21899.4887839876. The cubic root of 479587609 is about 782.7492339623.

The spelling of 479587609 in words is "four hundred seventy-nine million, five hundred eighty-seven thousand, six hundred nine".