779319049005 has 96 divisors (see below), whose sum is σ = 1553178681600. Its totient is φ = 354096645120.

The previous prime is 779319048961. The next prime is 779319049009. The reversal of 779319049005 is 500940913977.

It is a happy number.

It is not a de Polignac number, because 779319049005 - 2⁶ = 779319048941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779319049009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 173836494 + ... + 173840976.

It is an arithmetic number, because the mean of its divisors is an integer number (16178944600).

Almost surely, 2^779319049005 is an apocalyptic number.

It is an amenable number.

779319049005 is a deficient number, since it is larger than the sum of its proper divisors (773859632595).

779319049005 is a wasteful number, since it uses less digits than its factorization.

779319049005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731 (or 7728 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The spelling of 779319049005 in words is "seven hundred seventy-nine billion, three hundred nineteen million, forty-nine thousand, five".