479958881 has 2 divisors, whose sum is σ = 479958882. Its totient is φ = 479958880.

The previous prime is 479958863. The next prime is 479958887. The reversal of 479958881 is 188859974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475632481 + 4326400 = 21809^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 479958881 - 2²² = 475764577 is a prime.

It is a super-2 number, since 2×479958881² = 460721054901544322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479958881.

It is not a weakly prime, because it can be changed into another prime (479958887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239979440 + 239979441.

It is an arithmetic number, because the mean of its divisors is an integer number (239979441).

Almost surely, 2^479958881 is an apocalyptic number.

It is an amenable number.

479958881 is a deficient number, since it is larger than the sum of its proper divisors (1).

479958881 is an equidigital number, since it uses as much as digits as its factorization.

479958881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 59.

The square root of 479958881 is about 21907.9638716153. The cubic root of 479958881 is about 782.9511698950.

The spelling of 479958881 in words is "four hundred seventy-nine million, nine hundred fifty-eight thousand, eight hundred eighty-one".