479155617 has 6 divisors (see below), whose sum is σ = 692113682. Its totient is φ = 319437072.

The previous prime is 479155609. The next prime is 479155627. The reversal of 479155617 is 716551974.

479155617 is a `hidden beast` number, since 4 + 7 + 91 + 556 + 1 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 417752721 + 61402896 = 20439^2 + 7836^2 .

It is not a de Polignac number, because 479155617 - 2³ = 479155609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479155627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26619748 + ... + 26619765.

Almost surely, 2^479155617 is an apocalyptic number.

It is an amenable number.

479155617 is a deficient number, since it is larger than the sum of its proper divisors (212958065).

479155617 is a wasteful number, since it uses less digits than its factorization.

479155617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53239519 (or 53239516 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 479155617 is about 21889.6235006452. The cubic root of 479155617 is about 782.5141410204.

The spelling of 479155617 in words is "four hundred seventy-nine million, one hundred fifty-five thousand, six hundred seventeen".