479988617 has 4 divisors (see below), whose sum is σ = 489045060. Its totient is φ = 470932176.

The previous prime is 479988601. The next prime is 479988637. The reversal of 479988617 is 716889974.

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 354794896 + 125193721 = 18836^2 + 11189^2 .

It is a cyclic number.

It is not a de Polignac number, because 479988617 - 2⁴ = 479988601 is a prime.

It is a super-3 number, since 3×479988617³ (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 (479988637) 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, 4528142 + ... + 4528247.

It is an arithmetic number, because the mean of its divisors is an integer number (122261265).

Almost surely, 2^479988617 is an apocalyptic number.

It is an amenable number.

479988617 is a deficient number, since it is larger than the sum of its proper divisors (9056443).

479988617 is an equidigital number, since it uses as much as digits as its factorization.

479988617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056442.

The product of its digits is 6096384, while the sum is 59.

The square root of 479988617 is about 21908.6425184218. The cubic root of 479988617 is about 782.9673388879.

The spelling of 479988617 in words is "four hundred seventy-nine million, nine hundred eighty-eight thousand, six hundred seventeen".