83327203806 has 64 divisors (see below), whose sum is σ = 207976204800. Its totient is φ = 21622671360.

The previous prime is 83327203801. The next prime is 83327203873. The reversal of 83327203806 is 60830272338.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83327203801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398670 + ... + 570606.

It is an arithmetic number, because the mean of its divisors is an integer number (3249628200).

Almost surely, 2^83327203806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83327203806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103988102400).

83327203806 is an abundant number, since it is smaller than the sum of its proper divisors (124649000994).

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

83327203806 is a wasteful number, since it uses less digits than its factorization.

83327203806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173009.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 83327203806 in words is "eighty-three billion, three hundred twenty-seven million, two hundred three thousand, eight hundred six".