83997828036 has 144 divisors (see below), whose sum is σ = 238801006080. Its totient is φ = 25501893120.

The previous prime is 83997828029. The next prime is 83997828073. The reversal of 83997828036 is 63082879938.

It is a super-2 number, since 2×83997828036² (a number of 23 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 924166 + ... + 1010978.

It is an arithmetic number, because the mean of its divisors is an integer number (1658340320).

Almost surely, 2^83997828036 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 83997828036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119400503040).

83997828036 is an abundant number, since it is smaller than the sum of its proper divisors (154803178044).

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

83997828036 is a wasteful number, since it uses less digits than its factorization.

83997828036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86891 (or 86866 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 83997828036 in words is "eighty-three billion, nine hundred ninety-seven million, eight hundred twenty-eight thousand, thirty-six".