79728848645192 has 32 divisors (see below), whose sum is σ = 149809055265720. Its totient is φ = 39779851952640.

The previous prime is 79728848645191. The next prime is 79728848645213. The reversal of 79728848645192 is 29154684882797.

It can be written as a sum of positive squares in 4 ways, for example, as 73877703705796 + 5851144939396 = 8595214^2 + 2418914^2 .

It is not an unprimeable number, because it can be changed into a prime (79728848645191) 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 7 ways as a sum of consecutive naturals, for example, 2237378 + ... + 12824334.

Almost surely, 2^{79728848645192} is an apocalyptic number.

It is an amenable number.

79728848645192 is a deficient number, since it is larger than the sum of its proper divisors (70080206620528).

79728848645192 is a wasteful number, since it uses less digits than its factorization.

79728848645192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10588961 (or 10588957 counting only the distinct ones).

The product of its digits is 3901685760, while the sum is 80.

The spelling of 79728848645192 in words is "seventy-nine trillion, seven hundred twenty-eight billion, eight hundred forty-eight million, six hundred forty-five thousand, one hundred ninety-two".