8806604689 has 2 divisors, whose sum is σ = 8806604690. Its totient is φ = 8806604688.

The previous prime is 8806604659. The next prime is 8806604699. The reversal of 8806604689 is 9864066088.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8080571664 + 726033025 = 89892^2 + 26945^2 .

It is a cyclic number.

It is not a de Polignac number, because 8806604689 - 2¹³ = 8806596497 is a prime.

It is a super-2 number, since 2×8806604689² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8806604659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4403302344 + 4403302345.

It is an arithmetic number, because the mean of its divisors is an integer number (4403302345).

Almost surely, 2^8806604689 is an apocalyptic number.

It is an amenable number.

8806604689 is a deficient number, since it is larger than the sum of its proper divisors (1).

8806604689 is an equidigital number, since it uses as much as digits as its factorization.

8806604689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The square root of 8806604689 is about 93843.5117043262. The cubic root of 8806604689 is about 2065.0766084999.

The spelling of 8806604689 in words is "eight billion, eight hundred six million, six hundred four thousand, six hundred eighty-nine".