779965694371 has 4 divisors (see below), whose sum is σ = 825846029352. Its totient is φ = 734085359392.

The previous prime is 779965694341. The next prime is 779965694377. The reversal of 779965694371 is 173496569977.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-779965694371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 779965694294 and 779965694303.

It is not an unprimeable number, because it can be changed into a prime (779965694377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22940167465 + ... + 22940167498.

It is an arithmetic number, because the mean of its divisors is an integer number (206461507338).

Almost surely, 2^779965694371 is an apocalyptic number.

779965694371 is a deficient number, since it is larger than the sum of its proper divisors (45880334981).

779965694371 is a wasteful number, since it uses less digits than its factorization.

779965694371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45880334980.

The product of its digits is 540101520, while the sum is 73.

The spelling of 779965694371 in words is "seven hundred seventy-nine billion, nine hundred sixty-five million, six hundred ninety-four thousand, three hundred seventy-one".