76844538232 has 128 divisors (see below), whose sum is σ = 185997127680. Its totient is φ = 28885248000.

The previous prime is 76844538203. The next prime is 76844538247. The reversal of 76844538232 is 23283544867.

It is a self number, because there is not a number n which added to its sum of digits gives 76844538232.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 6429382 + ... + 6441322.

It is an arithmetic number, because the mean of its divisors is an integer number (1453102560).

Almost surely, 2^76844538232 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 76844538232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92998563840).

76844538232 is an abundant number, since it is smaller than the sum of its proper divisors (109152589448).

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

76844538232 is a wasteful number, since it uses less digits than its factorization.

76844538232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12333 (or 12329 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 52.

The spelling of 76844538232 in words is "seventy-six billion, eight hundred forty-four million, five hundred thirty-eight thousand, two hundred thirty-two".