779963 has 4 divisors (see below), whose sum is σ = 782280. Its totient is φ = 777648.

The previous prime is 779939. The next prime is 779971. The reversal of 779963 is 369977.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369977 = 419 ⋅883.

It is a cyclic number.

It is not a de Polignac number, because 779963 - 2⁶ = 779899 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 779963.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 779963.

It is not an unprimeable number, because it can be changed into a prime (779983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545 + ... + 1362.

It is an arithmetic number, because the mean of its divisors is an integer number (195570).

2⁷⁷⁹⁹⁶³ is an apocalyptic number.

779963 is a deficient number, since it is larger than the sum of its proper divisors (2317).

779963 is a wasteful number, since it uses less digits than its factorization.

779963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316.

The product of its digits is 71442, while the sum is 41.

The square root of 779963 is about 883.1551392592. The cubic root of 779963 is about 92.0501852847.

The spelling of 779963 in words is "seven hundred seventy-nine thousand, nine hundred sixty-three".