83212294133784 has 128 divisors (see below), whose sum is σ = 215042110295040. Its totient is φ = 26817021084672.

The previous prime is 83212294133741. The next prime is 83212294133791. The reversal of 83212294133784 is 48733149221238.

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 31 ways as a sum of consecutive naturals, for example, 866629362 + ... + 866725374.

It is an arithmetic number, because the mean of its divisors is an integer number (1680016486680).

Almost surely, 2^{83212294133784} 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 83212294133784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107521055147520).

83212294133784 is an abundant number, since it is smaller than the sum of its proper divisors (131829816161256).

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

83212294133784 is a wasteful number, since it uses less digits than its factorization.

83212294133784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105409 (or 105405 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 57.

The spelling of 83212294133784 in words is "eighty-three trillion, two hundred twelve billion, two hundred ninety-four million, one hundred thirty-three thousand, seven hundred eighty-four".