479280839 has 2 divisors, whose sum is σ = 479280840. Its totient is φ = 479280838.

The previous prime is 479280829. The next prime is 479280889. The reversal of 479280839 is 938082974.

It is a happy number.

It is an a-pointer prime, because the next prime (479280889) can be obtained adding 479280839 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479280839 - 2⁸ = 479280583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479280829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239640419 + 239640420.

It is an arithmetic number, because the mean of its divisors is an integer number (239640420).

Almost surely, 2^479280839 is an apocalyptic number.

479280839 is a deficient number, since it is larger than the sum of its proper divisors (1).

479280839 is an equidigital number, since it uses as much as digits as its factorization.

479280839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 479280839 is about 21892.4836188131. The cubic root of 479280839 is about 782.5823022103.

The spelling of 479280839 in words is "four hundred seventy-nine million, two hundred eighty thousand, eight hundred thirty-nine".