83122871688 has 96 divisors (see below), whose sum is σ = 229054082400. Its totient is φ = 27224446464.

The previous prime is 83122871687. The next prime is 83122871701. The reversal of 83122871688 is 88617822138.

It is not an unprimeable number, because it can be changed into a prime (83122871681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12031131 + ... + 12038037.

It is an arithmetic number, because the mean of its divisors is an integer number (2385980025).

Almost surely, 2^83122871688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83122871688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114527041200).

83122871688 is an abundant number, since it is smaller than the sum of its proper divisors (145931210712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83122871688 is a wasteful number, since it uses less digits than its factorization.

83122871688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9811 (or 9804 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The spelling of 83122871688 in words is "eighty-three billion, one hundred twenty-two million, eight hundred seventy-one thousand, six hundred eighty-eight".