479961617 has 4 divisors (see below), whose sum is σ = 480164580. Its totient is φ = 479758656.

The previous prime is 479961569. The next prime is 479961619. The reversal of 479961617 is 716169974.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41938576 + 438023041 = 6476^2 + 20929^2 .

It is a cyclic number.

It is not a de Polignac number, because 479961617 - 2²⁰ = 478913041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479961619) 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 3 ways as a sum of consecutive naturals, for example, 97892 + ... + 102677.

It is an arithmetic number, because the mean of its divisors is an integer number (120041145).

Almost surely, 2^479961617 is an apocalyptic number.

It is an amenable number.

479961617 is a deficient number, since it is larger than the sum of its proper divisors (202963).

479961617 is a wasteful number, since it uses less digits than its factorization.

479961617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202962.

The product of its digits is 571536, while the sum is 50.

The square root of 479961617 is about 21908.0263145725. The cubic root of 479961617 is about 782.9526576268.

The spelling of 479961617 in words is "four hundred seventy-nine million, nine hundred sixty-one thousand, six hundred seventeen".