79928000000000 has 520 divisors, whose sum is σ = 203815096316832. Its totient is φ = 31334400000000.

The previous prime is 79927999999999. The next prime is 79928000000011. The reversal of 79928000000000 is 82997.

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 39 ways as a sum of consecutive naturals, for example, 775999999949 + ... + 776000000051.

Almost surely, 2^{79928000000000} 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 79928000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101907548158416).

79928000000000 is an abundant number, since it is smaller than the sum of its proper divisors (123887096316832).

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

79928000000000 is an frugal number, since it uses more digits than its factorization.

79928000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

Adding to 79928000000000 its reverse (82997), we get a palindrome (79928000082997).

The spelling of 79928000000000 in words is "seventy-nine trillion, nine hundred twenty-eight billion", and thus it is an aban number.