802166843 has 2 divisors, whose sum is σ = 802166844. Its totient is φ = 802166842.

The previous prime is 802166803. The next prime is 802166857. The reversal of 802166843 is 348661208.

It is a happy number.

802166843 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 802166843 - 2⁸ = 802166587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 802166797 and 802166806.

It is not a weakly prime, because it can be changed into another prime (802166803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401083421 + 401083422.

It is an arithmetic number, because the mean of its divisors is an integer number (401083422).

Almost surely, 2^802166843 is an apocalyptic number.

802166843 is a deficient number, since it is larger than the sum of its proper divisors (1).

802166843 is an equidigital number, since it uses as much as digits as its factorization.

802166843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 802166843 is about 28322.5500793979. The cubic root of 802166843 is about 929.1551440059.

The spelling of 802166843 in words is "eight hundred two million, one hundred sixty-six thousand, eight hundred forty-three".