8608904809 has 2 divisors, whose sum is σ = 8608904810. Its totient is φ = 8608904808.

The previous prime is 8608904791. The next prime is 8608904869. The reversal of 8608904809 is 9084098068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8434585600 + 174319209 = 91840^2 + 13203^2 .

It is a cyclic number.

It is not a de Polignac number, because 8608904809 - 2¹³ = 8608896617 is a prime.

It is a super-2 number, since 2×8608904809² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8608904869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4304452404 + 4304452405.

It is an arithmetic number, because the mean of its divisors is an integer number (4304452405).

Almost surely, 2^8608904809 is an apocalyptic number.

It is an amenable number.

8608904809 is a deficient number, since it is larger than the sum of its proper divisors (1).

8608904809 is an equidigital number, since it uses as much as digits as its factorization.

8608904809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 8608904809 is about 92784.1840455581. The cubic root of 8608904809 is about 2049.5065089343.

The spelling of 8608904809 in words is "eight billion, six hundred eight million, nine hundred four thousand, eight hundred nine".