779065788859 has 2 divisors, whose sum is σ = 779065788860. Its totient is φ = 779065788858.

The previous prime is 779065788857. The next prime is 779065788947. The reversal of 779065788859 is 958887560977.

It is a weak prime.

It is an emirp because it is prime and its reverse (958887560977) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 779065788859 - 2¹ = 779065788857 is a prime.

Together with 779065788857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (779065788857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389532894429 + 389532894430.

It is an arithmetic number, because the mean of its divisors is an integer number (389532894430).

Almost surely, 2^779065788859 is an apocalyptic number.

779065788859 is a deficient number, since it is larger than the sum of its proper divisors (1).

779065788859 is an equidigital number, since it uses as much as digits as its factorization.

779065788859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2133734400, while the sum is 79.

The spelling of 779065788859 in words is "seven hundred seventy-nine billion, sixty-five million, seven hundred eighty-eight thousand, eight hundred fifty-nine".