79668381207546 has 72 divisors (see below), whose sum is σ = 182658660518880. Its totient is φ = 25092054297072.

The previous prime is 79668381207521. The next prime is 79668381207551. The reversal of 79668381207546 is 64570218386697.

79668381207546 is a `hidden beast` number, since 7 + 9 + 6 + 68 + 3 + 8 + 12 + 0 + 7 + 546 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13711990 + ... + 18637473.

It is an arithmetic number, because the mean of its divisors is an integer number (2536925840540).

It is a 1-persistent number, because it is pandigital, but 2⋅79668381207546 = 159336762415092 is not.

Almost surely, 2^{79668381207546} is an apocalyptic number.

79668381207546 is an abundant number, since it is smaller than the sum of its proper divisors (102990279311334).

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

79668381207546 is a wasteful number, since it uses less digits than its factorization.

79668381207546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32349888 (or 32349866 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 72.

The spelling of 79668381207546 in words is "seventy-nine trillion, six hundred sixty-eight billion, three hundred eighty-one million, two hundred seven thousand, five hundred forty-six".