83722986189 has 6 divisors (see below), whose sum is σ = 120933202286. Its totient is φ = 55815324120.

The previous prime is 83722986169. The next prime is 83722986199. The reversal of 83722986189 is 98168922738.

83722986189 is a `hidden beast` number, since 8 + 3 + 7 + 2 + 2 + 9 + 8 + 618 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 82478096100 + 1244890089 = 287190^2 + 35283^2 .

It is not a de Polignac number, because 83722986189 - 2¹³ = 83722977997 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 (83722986169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4651277002 + ... + 4651277019.

Almost surely, 2^83722986189 is an apocalyptic number.

It is an amenable number.

83722986189 is a deficient number, since it is larger than the sum of its proper divisors (37210216097).

83722986189 is a wasteful number, since it uses less digits than its factorization.

83722986189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9302554027 (or 9302554024 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The spelling of 83722986189 in words is "eighty-three billion, seven hundred twenty-two million, nine hundred eighty-six thousand, one hundred eighty-nine".