479969279 has 16 divisors (see below), whose sum is σ = 536014080. Its totient is φ = 427109760.

The previous prime is 479969261. The next prime is 479969293. The reversal of 479969279 is 972969974.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 479969279 - 2⁸ = 479969023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479969209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206534 + ... + 208844.

It is an arithmetic number, because the mean of its divisors is an integer number (33500880).

Almost surely, 2^479969279 is an apocalyptic number.

479969279 is a deficient number, since it is larger than the sum of its proper divisors (56044801).

479969279 is a wasteful number, since it uses less digits than its factorization.

479969279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990.

The product of its digits is 15431472, while the sum is 62.

The square root of 479969279 is about 21908.2011812928. The cubic root of 479969279 is about 782.9568238984.

It can be divided in two parts, 47996 and 9279, that added together give a palindrome (57275).

The spelling of 479969279 in words is "four hundred seventy-nine million, nine hundred sixty-nine thousand, two hundred seventy-nine".