8210085899 has 2 divisors, whose sum is σ = 8210085900. Its totient is φ = 8210085898.

The previous prime is 8210085857. The next prime is 8210085907. The reversal of 8210085899 is 9985800128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8210085899 - 2⁸ = 8210085643 is a prime.

It is not a weakly prime, because it can be changed into another prime (8210085809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4105042949 + 4105042950.

It is an arithmetic number, because the mean of its divisors is an integer number (4105042950).

Almost surely, 2^8210085899 is an apocalyptic number.

8210085899 is a deficient number, since it is larger than the sum of its proper divisors (1).

8210085899 is an equidigital number, since it uses as much as digits as its factorization.

8210085899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 50.

The square root of 8210085899 is about 90609.5243282956. The cubic root of 8210085899 is about 2017.3561053653.

The spelling of 8210085899 in words is "eight billion, two hundred ten million, eighty-five thousand, eight hundred ninety-nine".