76688134847999 has 2 divisors, whose sum is σ = 76688134848000. Its totient is φ = 76688134847998.

The previous prime is 76688134847977. The next prime is 76688134848023. The reversal of 76688134847999 is 99974843188667.

It is a weak prime.

It is an emirp because it is prime and its reverse (99974843188667) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76688134847999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76688134847969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38344067423999 + 38344067424000.

It is an arithmetic number, because the mean of its divisors is an integer number (38344067424000).

Almost surely, 2^{76688134847999} is an apocalyptic number.

76688134847999 is a deficient number, since it is larger than the sum of its proper divisors (1).

76688134847999 is an equidigital number, since it uses as much as digits as its factorization.

76688134847999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31603654656, while the sum is 89.

The spelling of 76688134847999 in words is "seventy-six trillion, six hundred eighty-eight billion, one hundred thirty-four million, eight hundred forty-seven thousand, nine hundred ninety-nine".