479815957 has 2 divisors, whose sum is σ = 479815958. Its totient is φ = 479815956.

The previous prime is 479815951. The next prime is 479815969. The reversal of 479815957 is 759518974.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312087556 + 167728401 = 17666^2 + 12951^2 .

It is a cyclic number.

It is not a de Polignac number, because 479815957 - 2⁷ = 479815829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 479815898 and 479815907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479815951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239907978 + 239907979.

It is an arithmetic number, because the mean of its divisors is an integer number (239907979).

Almost surely, 2^479815957 is an apocalyptic number.

It is an amenable number.

479815957 is a deficient number, since it is larger than the sum of its proper divisors (1).

479815957 is an equidigital number, since it uses as much as digits as its factorization.

479815957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 55.

The square root of 479815957 is about 21904.7017099069. The cubic root of 479815957 is about 782.8734454434.

The spelling of 479815957 in words is "four hundred seventy-nine million, eight hundred fifteen thousand, nine hundred fifty-seven".