801802843 has 2 divisors, whose sum is σ = 801802844. Its totient is φ = 801802842.

The previous prime is 801802819. The next prime is 801802877. The reversal of 801802843 is 348208108.

It is an a-pointer prime, because the next prime (801802877) can be obtained adding 801802843 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-801802843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 801802799 and 801802808.

It is not a weakly prime, because it can be changed into another prime (801800843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400901421 + 400901422.

It is an arithmetic number, because the mean of its divisors is an integer number (400901422).

Almost surely, 2^801802843 is an apocalyptic number.

801802843 is a deficient number, since it is larger than the sum of its proper divisors (1).

801802843 is an equidigital number, since it uses as much as digits as its factorization.

801802843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 801802843 is about 28316.1233752080. The cubic root of 801802843 is about 929.0145815426.

The spelling of 801802843 in words is "eight hundred one million, eight hundred two thousand, eight hundred forty-three".