779768 has 16 divisors (see below), whose sum is σ = 1595160. Its totient is φ = 354400.

The previous prime is 779767. The next prime is 779771. The reversal of 779768 is 867977.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4343 + ... + 4518.

2⁷⁷⁹⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

779768 is an abundant number, since it is smaller than the sum of its proper divisors (815392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

779768 is a wasteful number, since it uses less digits than its factorization.

779768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8878 (or 8874 counting only the distinct ones).

The product of its digits is 148176, while the sum is 44.

The square root of 779768 is about 883.0447327288. The cubic root of 779768 is about 92.0425134327.

Subtracting 779768 from its reverse (867977), we obtain a square (88209 = 297²).

The spelling of 779768 in words is "seven hundred seventy-nine thousand, seven hundred sixty-eight".