83331921744 has 80 divisors (see below), whose sum is σ = 240446039040. Its totient is φ = 27631848960.

The previous prime is 83331921691. The next prime is 83331921781. The reversal of 83331921744 is 44712913338.

83331921744 is a `hidden beast` number, since 83 + 3 + 319 + 217 + 44 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 83331921744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422457 + ... + 587480.

It is an arithmetic number, because the mean of its divisors is an integer number (3005575488).

Almost surely, 2^83331921744 is an apocalyptic number.

It is an amenable number.

83331921744 is an abundant number, since it is smaller than the sum of its proper divisors (157114117296).

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

83331921744 is a wasteful number, since it uses less digits than its factorization.

83331921744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010145 (or 1010133 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 83331921744 in words is "eighty-three billion, three hundred thirty-one million, nine hundred twenty-one thousand, seven hundred forty-four".