76999221613116 has 120 divisors (see below), whose sum is σ = 219643213870080. Its totient is φ = 23327482701600.

The previous prime is 76999221613087. The next prime is 76999221613129. The reversal of 76999221613116 is 61131612299967.

76999221613116 is a `hidden beast` number, since 7 + 6 + 9 + 9 + 9 + 2 + 2 + 1 + 613 + 1 + 1 + 6 = 666.

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 39 ways as a sum of consecutive naturals, for example, 12225331 + ... + 17420021.

It is an arithmetic number, because the mean of its divisors is an integer number (1830360115584).

Almost surely, 2^{76999221613116} 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 76999221613116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109821606935040).

76999221613116 is an abundant number, since it is smaller than the sum of its proper divisors (142643992256964).

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

76999221613116 is a wasteful number, since it uses less digits than its factorization.

76999221613116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198877 (or 5198866 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 63.

The spelling of 76999221613116 in words is "seventy-six trillion, nine hundred ninety-nine billion, two hundred twenty-one million, six hundred thirteen thousand, one hundred sixteen".