83522718321 has 16 divisors (see below), whose sum is σ = 128883763200. Its totient is φ = 47123124048.

The previous prime is 83522718319. The next prime is 83522718361. The reversal of 83522718321 is 12381722538.

It is not a de Polignac number, because 83522718321 - 2¹ = 83522718319 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83522718361) 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, 25170951 + ... + 25174268.

It is an arithmetic number, because the mean of its divisors is an integer number (8055235200).

Almost surely, 2^83522718321 is an apocalyptic number.

It is an amenable number.

83522718321 is a deficient number, since it is larger than the sum of its proper divisors (45361044879).

83522718321 is a wasteful number, since it uses less digits than its factorization.

83522718321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50345308.

The product of its digits is 161280, while the sum is 42.

The spelling of 83522718321 in words is "eighty-three billion, five hundred twenty-two million, seven hundred eighteen thousand, three hundred twenty-one".