479765409 has 8 divisors (see below), whose sum is σ = 673355040. Its totient is φ = 303009696.

The previous prime is 479765399. The next prime is 479765413. The reversal of 479765409 is 904567974.

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

It is not a de Polignac number, because 479765409 - 2¹⁵ = 479732641 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (479765459) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4208412 + ... + 4208525.

It is an arithmetic number, because the mean of its divisors is an integer number (84169380).

Almost surely, 2^479765409 is an apocalyptic number.

It is an amenable number.

479765409 is a deficient number, since it is larger than the sum of its proper divisors (193589631).

479765409 is a wasteful number, since it uses less digits than its factorization.

479765409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8416959.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The square root of 479765409 is about 21903.5478633029. The cubic root of 479765409 is about 782.8459529044.

The spelling of 479765409 in words is "four hundred seventy-nine million, seven hundred sixty-five thousand, four hundred nine".