814868843 has 2 divisors, whose sum is σ = 814868844. Its totient is φ = 814868842.

The previous prime is 814868801. The next prime is 814868861. The reversal of 814868843 is 348868418.

814868843 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 814868843 - 2¹² = 814864747 is a prime.

It is a super-2 number, since 2×814868843² = 1328022462584317298, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 814868791 and 814868800.

It is not a weakly prime, because it can be changed into another prime (814868893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407434421 + 407434422.

It is an arithmetic number, because the mean of its divisors is an integer number (407434422).

Almost surely, 2^814868843 is an apocalyptic number.

814868843 is a deficient number, since it is larger than the sum of its proper divisors (1).

814868843 is an equidigital number, since it uses as much as digits as its factorization.

814868843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1179648, while the sum is 50.

The square root of 814868843 is about 28545.9076401505. The cubic root of 814868843 is about 934.0337537304.

The spelling of 814868843 in words is "eight hundred fourteen million, eight hundred sixty-eight thousand, eight hundred forty-three".