478757579 has 4 divisors (see below), whose sum is σ = 485315976. Its totient is φ = 472199184.

The previous prime is 478757507. The next prime is 478757599. The reversal of 478757579 is 975757874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478757579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478757599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3279089 + ... + 3279234.

It is an arithmetic number, because the mean of its divisors is an integer number (121328994).

Almost surely, 2^478757579 is an apocalyptic number.

478757579 is a deficient number, since it is larger than the sum of its proper divisors (6558397).

478757579 is an equidigital number, since it uses as much as digits as its factorization.

478757579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558396.

The product of its digits is 17287200, while the sum is 59.

The square root of 478757579 is about 21880.5296782322. The cubic root of 478757579 is about 782.2974009612.

The spelling of 478757579 in words is "four hundred seventy-eight million, seven hundred fifty-seven thousand, five hundred seventy-nine".