779871364823 has 8 divisors (see below), whose sum is σ = 780733968960. Its totient is φ = 779009050080.

The previous prime is 779871364819. The next prime is 779871364837. The reversal of 779871364823 is 328463178977.

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

It is a cyclic number.

It is not a de Polignac number, because 779871364823 - 2² = 779871364819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 779871364823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779871364843) 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, 5561138 + ... + 5699648.

It is an arithmetic number, because the mean of its divisors is an integer number (97591746120).

Almost surely, 2^779871364823 is an apocalyptic number.

779871364823 is a deficient number, since it is larger than the sum of its proper divisors (862604137).

779871364823 is a wasteful number, since it uses less digits than its factorization.

779871364823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144697.

The product of its digits is 85349376, while the sum is 65.

The spelling of 779871364823 in words is "seven hundred seventy-nine billion, eight hundred seventy-one million, three hundred sixty-four thousand, eight hundred twenty-three".