479203897 has 2 divisors, whose sum is σ = 479203898. Its totient is φ = 479203896.

The previous prime is 479203891. The next prime is 479203913. The reversal of 479203897 is 798302974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384316816 + 94887081 = 19604^2 + 9741^2 .

It is a cyclic number.

It is not a de Polignac number, because 479203897 - 2³ = 479203889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479203897.

It is not a weakly prime, because it can be changed into another prime (479203891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239601948 + 239601949.

It is an arithmetic number, because the mean of its divisors is an integer number (239601949).

Almost surely, 2^479203897 is an apocalyptic number.

It is an amenable number.

479203897 is a deficient number, since it is larger than the sum of its proper divisors (1).

479203897 is an equidigital number, since it uses as much as digits as its factorization.

479203897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 479203897 is about 21890.7262784952. The cubic root of 479203897 is about 782.5404223318.

The spelling of 479203897 in words is "four hundred seventy-nine million, two hundred three thousand, eight hundred ninety-seven".