79825394706849 has 24 divisors (see below), whose sum is σ = 129843066273024. Its totient is φ = 46818413316000.

The previous prime is 79825394706821. The next prime is 79825394706857. The reversal of 79825394706849 is 94860749352897.

79825394706849 is a `hidden beast` number, since 7 + 9 + 8 + 2 + 539 + 4 + 70 + 6 + 8 + 4 + 9 = 666.

It is not a de Polignac number, because 79825394706849 - 2²⁵ = 79825361152417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79825394206849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13005111742 + ... + 13005117879.

It is an arithmetic number, because the mean of its divisors is an integer number (5410127761376).

Almost surely, 2^{79825394706849} is an apocalyptic number.

It is an amenable number.

79825394706849 is a deficient number, since it is larger than the sum of its proper divisors (50017671566175).

79825394706849 is a wasteful number, since it uses less digits than its factorization.

79825394706849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26010229669 (or 26010229666 counting only the distinct ones).

The product of its (nonzero) digits is 6584094720, while the sum is 81.

The spelling of 79825394706849 in words is "seventy-nine trillion, eight hundred twenty-five billion, three hundred ninety-four million, seven hundred six thousand, eight hundred forty-nine".