860858071 has 2 divisors, whose sum is σ = 860858072. Its totient is φ = 860858070.

The previous prime is 860857927. The next prime is 860858081. The reversal of 860858071 is 170858068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 860858071 - 2¹⁹ = 860333783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860858081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430429035 + 430429036.

It is an arithmetic number, because the mean of its divisors is an integer number (430429036).

Almost surely, 2^860858071 is an apocalyptic number.

860858071 is a deficient number, since it is larger than the sum of its proper divisors (1).

860858071 is an equidigital number, since it uses as much as digits as its factorization.

860858071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 43.

The square root of 860858071 is about 29340.3829388779. The cubic root of 860858071 is about 951.2847146733.

The spelling of 860858071 in words is "eight hundred sixty million, eight hundred fifty-eight thousand, seventy-one".