860585109 has 16 divisors (see below), whose sum is σ = 1179690240. Its totient is φ = 557634240.

The previous prime is 860585083. The next prime is 860585137. The reversal of 860585109 is 901585068.

It is not a de Polignac number, because 860585109 - 2⁹ = 860584597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860585189) 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 in 15 ways as a sum of consecutive naturals, for example, 119604 + ... + 126594.

It is an arithmetic number, because the mean of its divisors is an integer number (73730640).

Almost surely, 2^860585109 is an apocalyptic number.

It is an amenable number.

860585109 is a deficient number, since it is larger than the sum of its proper divisors (319105131).

860585109 is a wasteful number, since it uses less digits than its factorization.

860585109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 860585109 is about 29335.7309266362. The cubic root of 860585109 is about 951.1841591784.

The spelling of 860585109 in words is "eight hundred sixty million, five hundred eighty-five thousand, one hundred nine".