9860000865 has 64 divisors (see below), whose sum is σ = 18788232960. Its totient is φ = 4352348160.

The previous prime is 9860000837. The next prime is 9860000873. The reversal of 9860000865 is 5680000689.

9860000865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9860000865 - 2¹¹ = 9859998817 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a nontrivial repunit in base 2144.

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 63 ways as a sum of consecutive naturals, for example, 125101 + ... + 188069.

It is an arithmetic number, because the mean of its divisors is an integer number (293566140).

Almost surely, 2^9860000865 is an apocalyptic number.

It is an amenable number.

9860000865 is a deficient number, since it is larger than the sum of its proper divisors (8928232095).

9860000865 is a wasteful number, since it uses less digits than its factorization.

9860000865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63074.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 9860000865 is about 99297.5370540478. The cubic root of 9860000865 is about 2144.3334370193. Note that the first 3 decimals are identical.

The spelling of 9860000865 in words is "nine billion, eight hundred sixty million, eight hundred sixty-five", and thus it is an aban number.