860826851 has 2 divisors, whose sum is σ = 860826852. Its totient is φ = 860826850.

The previous prime is 860826833. The next prime is 860826907. The reversal of 860826851 is 158628068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 860826851 - 2¹⁰ = 860825827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (860826821) 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, 430413425 + 430413426.

It is an arithmetic number, because the mean of its divisors is an integer number (430413426).

Almost surely, 2^860826851 is an apocalyptic number.

860826851 is a deficient number, since it is larger than the sum of its proper divisors (1).

860826851 is an equidigital number, since it uses as much as digits as its factorization.

860826851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 860826851 is about 29339.8509028250. The cubic root of 860826851 is about 951.2732147258.

The spelling of 860826851 in words is "eight hundred sixty million, eight hundred twenty-six thousand, eight hundred fifty-one".