8800009 has 2 divisors, whose sum is σ = 8800010. Its totient is φ = 8800008.

The previous prime is 8799997. The next prime is 8800019. The reversal of 8800009 is 9000088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4687225 + 4112784 = 2165^2 + 2028^2 .

It is a cyclic number.

It is not a de Polignac number, because 8800009 - 2⁵ = 8799977 is a prime.

It is not a weakly prime, because it can be changed into another prime (8800019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4400004 + 4400005.

It is an arithmetic number, because the mean of its divisors is an integer number (4400005).

Almost surely, 2^8800009 is an apocalyptic number.

It is an amenable number.

8800009 is a deficient number, since it is larger than the sum of its proper divisors (1).

8800009 is an equidigital number, since it uses as much as digits as its factorization.

8800009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 8800009 is about 2966.4809117876. The cubic root of 8800009 is about 206.4560934740.

The spelling of 8800009 in words is "eight million, eight hundred thousand, nine".