83291032328 has 64 divisors (see below), whose sum is σ = 182566310400. Its totient is φ = 34881454080.

The previous prime is 83291032309. The next prime is 83291032337. The reversal of 83291032328 is 82323019238.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1662428 + ... + 1711796.

It is an arithmetic number, because the mean of its divisors is an integer number (2852598600).

Almost surely, 2^83291032328 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 83291032328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91283155200).

83291032328 is an abundant number, since it is smaller than the sum of its proper divisors (99275278072).

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

83291032328 is a wasteful number, since it uses less digits than its factorization.

83291032328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50070 (or 50066 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 83291032328 in words is "eighty-three billion, two hundred ninety-one million, thirty-two thousand, three hundred twenty-eight".