83850821112 has 32 divisors (see below), whose sum is σ = 209918649600. Its totient is φ = 27911394144.

The previous prime is 83850821111. The next prime is 83850821137. The reversal of 83850821112 is 21112805838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83850821111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2412358 + ... + 2446869.

It is an arithmetic number, because the mean of its divisors is an integer number (6559957800).

Almost surely, 2^83850821112 is an apocalyptic number.

It is an amenable number.

83850821112 is an abundant number, since it is smaller than the sum of its proper divisors (126067828488).

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

83850821112 is a wasteful number, since it uses less digits than its factorization.

83850821112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859955 (or 4859951 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 39.

The spelling of 83850821112 in words is "eighty-three billion, eight hundred fifty million, eight hundred twenty-one thousand, one hundred twelve".