479917171 has 2 divisors, whose sum is σ = 479917172. Its totient is φ = 479917170.

The previous prime is 479917159. The next prime is 479917189. The reversal of 479917171 is 171719974.

479917171 = 8941² + 8942² + ... + 8946².

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479917171 - 2¹⁹ = 479392883 is a prime.

It is not a weakly prime, because it can be changed into another prime (479917771) 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 as a sum of consecutive naturals, namely, 239958585 + 239958586.

It is an arithmetic number, because the mean of its divisors is an integer number (239958586).

Almost surely, 2^479917171 is an apocalyptic number.

479917171 is a deficient number, since it is larger than the sum of its proper divisors (1).

479917171 is an equidigital number, since it uses as much as digits as its factorization.

479917171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111132, while the sum is 46.

The square root of 479917171 is about 21907.0119139969. The cubic root of 479917171 is about 782.9284888969.

The spelling of 479917171 in words is "four hundred seventy-nine million, nine hundred seventeen thousand, one hundred seventy-one".