480702809 has 2 divisors, whose sum is σ = 480702810. Its totient is φ = 480702808.

The previous prime is 480702767. The next prime is 480702821. The reversal of 480702809 is 908207084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478734400 + 1968409 = 21880^2 + 1403^2 .

It is a cyclic number.

It is not a de Polignac number, because 480702809 - 2²⁴ = 463925593 is a prime.

It is a super-3 number, since 3×480702809³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (480702899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240351404 + 240351405.

It is an arithmetic number, because the mean of its divisors is an integer number (240351405).

Almost surely, 2^480702809 is an apocalyptic number.

It is an amenable number.

480702809 is a deficient number, since it is larger than the sum of its proper divisors (1).

480702809 is an equidigital number, since it uses as much as digits as its factorization.

480702809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 480702809 is about 21924.9357809778. The cubic root of 480702809 is about 783.3554813515.

The spelling of 480702809 in words is "four hundred eighty million, seven hundred two thousand, eight hundred nine".