479207689 has 2 divisors, whose sum is σ = 479207690. Its totient is φ = 479207688.

The previous prime is 479207671. The next prime is 479207693. The reversal of 479207689 is 986702974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424566025 + 54641664 = 20605^2 + 7392^2 .

It is a cyclic number.

It is not a de Polignac number, because 479207689 - 2¹⁵ = 479174921 is a prime.

It is not a weakly prime, because it can be changed into another prime (479207699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239603844 + 239603845.

It is an arithmetic number, because the mean of its divisors is an integer number (239603845).

Almost surely, 2^479207689 is an apocalyptic number.

It is an amenable number.

479207689 is a deficient number, since it is larger than the sum of its proper divisors (1).

479207689 is an equidigital number, since it uses as much as digits as its factorization.

479207689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 479207689 is about 21890.8128903428. The cubic root of 479207689 is about 782.5424864396.

The spelling of 479207689 in words is "four hundred seventy-nine million, two hundred seven thousand, six hundred eighty-nine".