791185995799 has 2 divisors, whose sum is σ = 791185995800. Its totient is φ = 791185995798.

The previous prime is 791185995797. The next prime is 791185995833. The reversal of 791185995799 is 997599581197.

It is a weak prime.

It is an emirp because it is prime and its reverse (997599581197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 791185995799 - 2¹ = 791185995797 is a prime.

Together with 791185995797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791185995797) 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 as a sum of consecutive naturals, namely, 395592997899 + 395592997900.

It is an arithmetic number, because the mean of its divisors is an integer number (395592997900).

Almost surely, 2^791185995799 is an apocalyptic number.

791185995799 is a deficient number, since it is larger than the sum of its proper divisors (1).

791185995799 is an equidigital number, since it uses as much as digits as its factorization.

791185995799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 578680200, while the sum is 79.

The spelling of 791185995799 in words is "seven hundred ninety-one billion, one hundred eighty-five million, nine hundred ninety-five thousand, seven hundred ninety-nine".