480287809 has 2 divisors, whose sum is σ = 480287810. Its totient is φ = 480287808.

The previous prime is 480287777. The next prime is 480287869. The reversal of 480287809 is 908782084.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259854400 + 220433409 = 16120^2 + 14847^2 .

It is a cyclic number.

It is not a de Polignac number, because 480287809 - 2⁵ = 480287777 is a prime.

It is not a weakly prime, because it can be changed into another prime (480287869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240143904 + 240143905.

It is an arithmetic number, because the mean of its divisors is an integer number (240143905).

Almost surely, 2^480287809 is an apocalyptic number.

It is an amenable number.

480287809 is a deficient number, since it is larger than the sum of its proper divisors (1).

480287809 is an equidigital number, since it uses as much as digits as its factorization.

480287809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 480287809 is about 21915.4696276397. The cubic root of 480287809 is about 783.1299878197.

The spelling of 480287809 in words is "four hundred eighty million, two hundred eighty-seven thousand, eight hundred nine".