479779685 has 16 divisors (see below), whose sum is σ = 717800832. Its totient is φ = 299083200.

The previous prime is 479779673. The next prime is 479779739. The reversal of 479779685 is 586977974.

It is not a de Polignac number, because 479779685 - 2⁴ = 479779669 is a prime.

It is a super-2 number, since 2×479779685² = 460377092277398450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622706 + ... + 623475.

It is an arithmetic number, because the mean of its divisors is an integer number (44862552).

Almost surely, 2^479779685 is an apocalyptic number.

It is an amenable number.

479779685 is a deficient number, since it is larger than the sum of its proper divisors (238021147).

479779685 is a wasteful number, since it uses less digits than its factorization.

479779685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246204.

The product of its digits is 26671680, while the sum is 62.

The square root of 479779685 is about 21903.8737441577. The cubic root of 479779685 is about 782.8537176701.

The spelling of 479779685 in words is "four hundred seventy-nine million, seven hundred seventy-nine thousand, six hundred eighty-five".