779923 has 8 divisors (see below), whose sum is σ = 812592. Its totient is φ = 747936.

The previous prime is 779899. The next prime is 779927. The reversal of 779923 is 329977.

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-779923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (779927) 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, 3861 + ... + 4057.

It is an arithmetic number, because the mean of its divisors is an integer number (101574).

2⁷⁷⁹⁹²³ is an apocalyptic number.

779923 is a deficient number, since it is larger than the sum of its proper divisors (32669).

779923 is a wasteful number, since it uses less digits than its factorization.

779923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its digits is 23814, while the sum is 37.

The square root of 779923 is about 883.1324928911. The cubic root of 779923 is about 92.0486116758.

It can be divided in two parts, 77 and 9923, that added together give a 4-th power (10000 = 10⁴).

The spelling of 779923 in words is "seven hundred seventy-nine thousand, nine hundred twenty-three".