83818370358 has 96 divisors (see below), whose sum is σ = 197823352896. Its totient is φ = 25548816384.

The previous prime is 83818370327. The next prime is 83818370387. The reversal of 83818370358 is 85307381838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1645366 + ... + 1695542.

It is an arithmetic number, because the mean of its divisors is an integer number (2060659926).

Almost surely, 2^83818370358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83818370358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98911676448).

83818370358 is an abundant number, since it is smaller than the sum of its proper divisors (114004982538).

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

83818370358 is a wasteful number, since it uses less digits than its factorization.

83818370358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50358 (or 50355 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 83818370358 in words is "eighty-three billion, eight hundred eighteen million, three hundred seventy thousand, three hundred fifty-eight".