479711217 has 4 divisors (see below), whose sum is σ = 639614960. Its totient is φ = 319807476.

The previous prime is 479711213. The next prime is 479711227. The reversal of 479711217 is 712117974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 479711217 - 2² = 479711213 is a prime.

It is a super-3 number, since 3×479711217³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479711213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79951867 + ... + 79951872.

It is an arithmetic number, because the mean of its divisors is an integer number (159903740).

Almost surely, 2^479711217 is an apocalyptic number.

It is an amenable number.

479711217 is a deficient number, since it is larger than the sum of its proper divisors (159903743).

479711217 is a wasteful number, since it uses less digits than its factorization.

479711217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159903742.

The product of its digits is 24696, while the sum is 39.

The square root of 479711217 is about 21902.3107685011. The cubic root of 479711217 is about 782.8164762863.

The spelling of 479711217 in words is "four hundred seventy-nine million, seven hundred eleven thousand, two hundred seventeen".