779197137223 has 8 divisors (see below), whose sum is σ = 860903231328. Its totient is φ = 701476706304.

The previous prime is 779197137211. The next prime is 779197137247. The reversal of 779197137223 is 322731791977.

It is a happy number.

779197137223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-779197137223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779197137283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996415386 + ... + 996416167.

It is an arithmetic number, because the mean of its divisors is an integer number (107612903916).

Almost surely, 2^779197137223 is an apocalyptic number.

779197137223 is a deficient number, since it is larger than the sum of its proper divisors (81706094105).

779197137223 is a wasteful number, since it uses less digits than its factorization.

779197137223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992831593.

The product of its digits is 7001316, while the sum is 58.

The spelling of 779197137223 in words is "seven hundred seventy-nine billion, one hundred ninety-seven million, one hundred thirty-seven thousand, two hundred twenty-three".