479218585 has 4 divisors (see below), whose sum is σ = 575062308. Its totient is φ = 383374864.

The previous prime is 479218577. The next prime is 479218613. The reversal of 479218585 is 585812974.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 171426649 + 307791936 = 13093^2 + 17544^2 .

It is a cyclic number.

It is not a de Polignac number, because 479218585 - 2³ = 479218577 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47921854 + ... + 47921863.

It is an arithmetic number, because the mean of its divisors is an integer number (143765577).

Almost surely, 2^479218585 is an apocalyptic number.

It is an amenable number.

479218585 is a deficient number, since it is larger than the sum of its proper divisors (95843723).

479218585 is an equidigital number, since it uses as much as digits as its factorization.

479218585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95843722.

The product of its digits is 806400, while the sum is 49.

The square root of 479218585 is about 21891.0617604537. The cubic root of 479218585 is about 782.5484174228.

The spelling of 479218585 in words is "four hundred seventy-nine million, two hundred eighteen thousand, five hundred eighty-five".