79688833884 has 432 divisors, whose sum is σ = 243020494080. Its totient is φ = 22769683200.

The previous prime is 79688833883. The next prime is 79688833919. The reversal of 79688833884 is 48833888697.

79688833884 is a `hidden beast` number, since 7 + 96 + 88 + 83 + 388 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79688833883) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 240751599 + ... + 240751929.

It is an arithmetic number, because the mean of its divisors is an integer number (562547440).

Almost surely, 2^79688833884 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 79688833884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121510247040).

79688833884 is an abundant number, since it is smaller than the sum of its proper divisors (163331660196).

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

79688833884 is a wasteful number, since it uses less digits than its factorization.

79688833884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 459 counting only the distinct ones).

The product of its digits is 445906944, while the sum is 72.

The spelling of 79688833884 in words is "seventy-nine billion, six hundred eighty-eight million, eight hundred thirty-three thousand, eight hundred eighty-four".