802197811 has 2 divisors, whose sum is σ = 802197812. Its totient is φ = 802197810.

The previous prime is 802197791. The next prime is 802197827. The reversal of 802197811 is 118791208.

802197811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 802197811 - 2¹¹ = 802195763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (802197211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401098905 + 401098906.

It is an arithmetic number, because the mean of its divisors is an integer number (401098906).

Almost surely, 2^802197811 is an apocalyptic number.

802197811 is a deficient number, since it is larger than the sum of its proper divisors (1).

802197811 is an equidigital number, since it uses as much as digits as its factorization.

802197811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 37.

The square root of 802197811 is about 28323.0967763061. The cubic root of 802197811 is about 929.1671006650.

The spelling of 802197811 in words is "eight hundred two million, one hundred ninety-seven thousand, eight hundred eleven".