85841858589 has 16 divisors (see below), whose sum is σ = 114711629760. Its totient is φ = 57100131200.

The previous prime is 85841858587. The next prime is 85841858593. The reversal of 85841858589 is 98585814858.

It is a cyclic number.

It is not a de Polignac number, because 85841858589 - 2¹ = 85841858587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85841858587) 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 in 15 ways as a sum of consecutive naturals, for example, 2694934 + ... + 2726600.

It is an arithmetic number, because the mean of its divisors is an integer number (7169476860).

Almost surely, 2^85841858589 is an apocalyptic number.

It is an amenable number.

85841858589 is a deficient number, since it is larger than the sum of its proper divisors (28869771171).

85841858589 is a wasteful number, since it uses less digits than its factorization.

85841858589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33660.

The product of its digits is 147456000, while the sum is 69.

The spelling of 85841858589 in words is "eighty-five billion, eight hundred forty-one million, eight hundred fifty-eight thousand, five hundred eighty-nine".