479159939 has 4 divisors (see below), whose sum is σ = 479281656. Its totient is φ = 479038224.

The previous prime is 479159927. The next prime is 479159959. The reversal of 479159939 is 939951974.

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

It is a cyclic number.

It is not a de Polignac number, because 479159939 - 2⁸ = 479159683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479159959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54749 + ... + 62894.

It is an arithmetic number, because the mean of its divisors is an integer number (119820414).

Almost surely, 2^479159939 is an apocalyptic number.

479159939 is a deficient number, since it is larger than the sum of its proper divisors (121717).

479159939 is a wasteful number, since it uses less digits than its factorization.

479159939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121716.

The product of its digits is 2755620, while the sum is 56.

The square root of 479159939 is about 21889.7222229977. The cubic root of 479159939 is about 782.5164937814.

The spelling of 479159939 in words is "four hundred seventy-nine million, one hundred fifty-nine thousand, nine hundred thirty-nine".