479707447 has 4 divisors (see below), whose sum is σ = 479778336. Its totient is φ = 479636560.

The previous prime is 479707391. The next prime is 479707463. The reversal of 479707447 is 744707974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 479707447 - 2¹¹ = 479705399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 479707447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479767447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24079 + ... + 39232.

It is an arithmetic number, because the mean of its divisors is an integer number (119944584).

Almost surely, 2^479707447 is an apocalyptic number.

479707447 is a deficient number, since it is larger than the sum of its proper divisors (70889).

479707447 is an equidigital number, since it uses as much as digits as its factorization.

479707447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70888.

The product of its (nonzero) digits is 1382976, while the sum is 49.

The square root of 479707447 is about 21902.2247043537. The cubic root of 479707447 is about 782.8144255901.

The spelling of 479707447 in words is "four hundred seventy-nine million, seven hundred seven thousand, four hundred forty-seven".