9856116589 has 6 divisors (see below), whose sum is σ = 10833582830. Its totient is φ = 8960105880.

The previous prime is 9856116577. The next prime is 9856116593.

9856116589 is nontrivially palindromic in base 10.

9856116589 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8697054564 + 1159062025 = 93258^2 + 34045^2 .

It is not a de Polignac number, because 9856116589 - 2¹³ = 9856108397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9856116289) 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 5 ways as a sum of consecutive naturals, for example, 40727634 + ... + 40727875.

Almost surely, 2^9856116589 is an apocalyptic number.

It is an amenable number.

9856116589 is a deficient number, since it is larger than the sum of its proper divisors (977466241).

9856116589 is a wasteful number, since it uses less digits than its factorization.

9856116589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81455531 (or 81455520 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 58.

The square root of 9856116589 is about 99277.9763542751. The cubic root of 9856116589 is about 2144.0518184881.

The spelling of 9856116589 in words is "nine billion, eight hundred fifty-six million, one hundred sixteen thousand, five hundred eighty-nine".