479478973 has 2 divisors, whose sum is σ = 479478974. Its totient is φ = 479478972.

The previous prime is 479478959. The next prime is 479478991. The reversal of 479478973 is 379874974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401721849 + 77757124 = 20043^2 + 8818^2 .

It is a cyclic number.

It is not a de Polignac number, because 479478973 - 2⁵ = 479478941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479478943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239739486 + 239739487.

It is an arithmetic number, because the mean of its divisors is an integer number (239739487).

Almost surely, 2^479478973 is an apocalyptic number.

It is an amenable number.

479478973 is a deficient number, since it is larger than the sum of its proper divisors (1).

479478973 is an equidigital number, since it uses as much as digits as its factorization.

479478973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10668672, while the sum is 58.

The square root of 479478973 is about 21897.0083116393. The cubic root of 479478973 is about 782.6901268144.

The spelling of 479478973 in words is "four hundred seventy-nine million, four hundred seventy-eight thousand, nine hundred seventy-three".