79796320369940 has 48 divisors (see below), whose sum is σ = 180694106752320. Its totient is φ = 29501078641920.

The previous prime is 79796320369939. The next prime is 79796320369967. The reversal of 79796320369940 is 4996302369797.

79796320369940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2560841942 + ... + 2560873101.

It is an arithmetic number, because the mean of its divisors is an integer number (3764460557340).

Almost surely, 2^{79796320369940} is an apocalyptic number.

It is an amenable number.

79796320369940 is an abundant number, since it is smaller than the sum of its proper divisors (100897786382380).

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

79796320369940 is a wasteful number, since it uses less digits than its factorization.

79796320369940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121715112 (or 5121715110 counting only the distinct ones).

The product of its (nonzero) digits is 833299488, while the sum is 74.

The spelling of 79796320369940 in words is "seventy-nine trillion, seven hundred ninety-six billion, three hundred twenty million, three hundred sixty-nine thousand, nine hundred forty".