83387322018 has 512 divisors, whose sum is σ = 267402240000. Its totient is φ = 18929272320.

The previous prime is 83387321993. The next prime is 83387322061. The reversal of 83387322018 is 81022378338.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 50323446 + ... + 50325102.

It is an arithmetic number, because the mean of its divisors is an integer number (522270000).

Almost surely, 2^83387322018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83387322018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133701120000).

83387322018 is an abundant number, since it is smaller than the sum of its proper divisors (184014917982).

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

83387322018 is a wasteful number, since it uses less digits than its factorization.

83387322018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 83387322018 in words is "eighty-three billion, three hundred eighty-seven million, three hundred twenty-two thousand, eighteen".