479678339 has 4 divisors (see below), whose sum is σ = 548203824. Its totient is φ = 411152856.

The previous prime is 479678321. The next prime is 479678347. The reversal of 479678339 is 933876974.

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 479678339 - 2¹⁶ = 479612803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (479678359) 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, 34262732 + ... + 34262745.

It is an arithmetic number, because the mean of its divisors is an integer number (137050956).

Almost surely, 2^479678339 is an apocalyptic number.

479678339 is a deficient number, since it is larger than the sum of its proper divisors (68525485).

479678339 is an equidigital number, since it uses as much as digits as its factorization.

479678339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68525484.

The product of its digits is 6858432, while the sum is 56.

The square root of 479678339 is about 21901.5601955660. The cubic root of 479678339 is about 782.7985918958.

The spelling of 479678339 in words is "four hundred seventy-nine million, six hundred seventy-eight thousand, three hundred thirty-nine".