860985211 has 2 divisors, whose sum is σ = 860985212. Its totient is φ = 860985210.

The previous prime is 860985193. The next prime is 860985217. The reversal of 860985211 is 112589068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 860985211 - 2¹¹ = 860983163 is a prime.

It is not a weakly prime, because it can be changed into another prime (860985217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430492605 + 430492606.

It is an arithmetic number, because the mean of its divisors is an integer number (430492606).

Almost surely, 2^860985211 is an apocalyptic number.

860985211 is a deficient number, since it is larger than the sum of its proper divisors (1).

860985211 is an equidigital number, since it uses as much as digits as its factorization.

860985211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 860985211 is about 29342.5494972744. The cubic root of 860985211 is about 951.3315440671.

The spelling of 860985211 in words is "eight hundred sixty million, nine hundred eighty-five thousand, two hundred eleven".