479760665 has 8 divisors (see below), whose sum is σ = 575830728. Its totient is φ = 383729920.

The previous prime is 479760653. The next prime is 479760679. The reversal of 479760665 is 566067974.

It can be written as a sum of positive squares in 4 ways, for example, as 359178304 + 120582361 = 18952^2 + 10981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 479760665 - 2⁸ = 479760409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39899 + ... + 50511.

It is an arithmetic number, because the mean of its divisors is an integer number (71978841).

Almost surely, 2^479760665 is an apocalyptic number.

It is an amenable number.

479760665 is a deficient number, since it is larger than the sum of its proper divisors (96070063).

479760665 is a wasteful number, since it uses less digits than its factorization.

479760665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19659.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 479760665 is about 21903.4395700767. The cubic root of 479760665 is about 782.8433725924.

The spelling of 479760665 in words is "four hundred seventy-nine million, seven hundred sixty thousand, six hundred sixty-five".