83771301712 has 80 divisors (see below), whose sum is σ = 188432939520. Its totient is φ = 35334059904.

The previous prime is 83771301697. The next prime is 83771301743. The reversal of 83771301712 is 21710317738.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9443103 + ... + 9451969.

It is an arithmetic number, because the mean of its divisors is an integer number (2355411744).

Almost surely, 2^83771301712 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 83771301712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94216469760).

83771301712 is an abundant number, since it is smaller than the sum of its proper divisors (104661637808).

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

83771301712 is a wasteful number, since it uses less digits than its factorization.

83771301712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208 (or 10202 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 83771301712 in words is "eighty-three billion, seven hundred seventy-one million, three hundred one thousand, seven hundred twelve".