479717997 has 8 divisors (see below), whose sum is σ = 697771680. Its totient is φ = 290738160.

The previous prime is 479717981. The next prime is 479718007. The reversal of 479717997 is 799717974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 479717997 - 2⁴ = 479717981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479717997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479717197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7268422 + ... + 7268487.

It is an arithmetic number, because the mean of its divisors is an integer number (87221460).

Almost surely, 2^479717997 is an apocalyptic number.

It is an amenable number.

479717997 is a deficient number, since it is larger than the sum of its proper divisors (218053683).

479717997 is a wasteful number, since it uses less digits than its factorization.

479717997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14536923.

The product of its digits is 7001316, while the sum is 60.

The square root of 479717997 is about 21902.4655461434. The cubic root of 479717997 is about 782.8201642486.

The spelling of 479717997 in words is "four hundred seventy-nine million, seven hundred seventeen thousand, nine hundred ninety-seven".