479757997 has 2 divisors, whose sum is σ = 479757998. Its totient is φ = 479757996.

The previous prime is 479757959. The next prime is 479758031. The reversal of 479757997 is 799757974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263932516 + 215825481 = 16246^2 + 14691^2 .

It is a cyclic number.

It is not a de Polignac number, because 479757997 - 2⁷ = 479757869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479757937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239878998 + 239878999.

It is an arithmetic number, because the mean of its divisors is an integer number (239878999).

Almost surely, 2^479757997 is an apocalyptic number.

It is an amenable number.

479757997 is a deficient number, since it is larger than the sum of its proper divisors (1).

479757997 is an equidigital number, since it uses as much as digits as its factorization.

479757997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35006580, while the sum is 64.

The square root of 479757997 is about 21903.3786663154. The cubic root of 479757997 is about 782.8419214313.

The spelling of 479757997 in words is "four hundred seventy-nine million, seven hundred fifty-seven thousand, nine hundred ninety-seven".