7848994784399 has 2 divisors, whose sum is σ = 7848994784400. Its totient is φ = 7848994784398.

The previous prime is 7848994784357. The next prime is 7848994784413. The reversal of 7848994784399 is 9934874998487.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7848994784399 - 2¹⁶ = 7848994718863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7848994787399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3924497392199 + 3924497392200.

It is an arithmetic number, because the mean of its divisors is an integer number (3924497392200).

Almost surely, 2^{7848994784399} is an apocalyptic number.

7848994784399 is a deficient number, since it is larger than the sum of its proper divisors (1).

7848994784399 is an equidigital number, since it uses as much as digits as its factorization.

7848994784399 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 7848994784399 in words is "seven trillion, eight hundred forty-eight billion, nine hundred ninety-four million, seven hundred eighty-four thousand, three hundred ninety-nine".