6779923 has 4 divisors (see below), whose sum is σ = 7178760. Its totient is φ = 6381088.

The previous prime is 6779921. The next prime is 6779951. The reversal of 6779923 is 3299776.

6779923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6779923 - 2¹ = 6779921 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 7⁷ + 7⁸ + 9² + 9² + 2¹⁷ + 3¹⁰ .

6779923 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6779923.

It is not an unprimeable number, because it can be changed into a prime (6779921) 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, 199393 + ... + 199426.

It is an arithmetic number, because the mean of its divisors is an integer number (1794690).

Almost surely, 2^6779923 is an apocalyptic number.

6779923 is a deficient number, since it is larger than the sum of its proper divisors (398837).

6779923 is a wasteful number, since it uses less digits than its factorization.

6779923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398836.

The product of its digits is 142884, while the sum is 43.

The square root of 6779923 is about 2603.8285273804. The cubic root of 6779923 is about 189.2670096691.

The spelling of 6779923 in words is "six million, seven hundred seventy-nine thousand, nine hundred twenty-three".