479689617 has 12 divisors (see below), whose sum is σ = 703016720. Its totient is φ = 290720760.

The previous prime is 479689607. The next prime is 479689621. The reversal of 479689617 is 716986974.

It is a de Polignac number, because none of the positive numbers 2^k-479689617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479689607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660367 + ... + 661092.

Almost surely, 2^479689617 is an apocalyptic number.

It is an amenable number.

479689617 is a deficient number, since it is larger than the sum of its proper divisors (223327103).

479689617 is a wasteful number, since it uses less digits than its factorization.

479689617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321484 (or 1321473 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 57.

The square root of 479689617 is about 21901.8176642944. The cubic root of 479689617 is about 782.8047267940.

It can be divided in two parts, 479 and 689617, that added together give a palindrome (690096).

The spelling of 479689617 in words is "four hundred seventy-nine million, six hundred eighty-nine thousand, six hundred seventeen".