8816805889 has 2 divisors, whose sum is σ = 8816805890. Its totient is φ = 8816805888.

The previous prime is 8816805857. The next prime is 8816805911. The reversal of 8816805889 is 9885086188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7886860864 + 929945025 = 88808^2 + 30495^2 .

It is a cyclic number.

It is not a de Polignac number, because 8816805889 - 2⁵ = 8816805857 is a prime.

It is not a weakly prime, because it can be changed into another prime (8816805589) 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, 4408402944 + 4408402945.

It is an arithmetic number, because the mean of its divisors is an integer number (4408402945).

Almost surely, 2^8816805889 is an apocalyptic number.

It is an amenable number.

8816805889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8816805889 is an equidigital number, since it uses as much as digits as its factorization.

8816805889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8847360, while the sum is 61.

The square root of 8816805889 is about 93897.8481595824. The cubic root of 8816805889 is about 2065.8736667452.

The spelling of 8816805889 in words is "eight billion, eight hundred sixteen million, eight hundred five thousand, eight hundred eighty-nine".