6779223 has 12 divisors (see below), whose sum is σ = 10682568. Its totient is φ = 4108560.

The previous prime is 6779207. The next prime is 6779231. The reversal of 6779223 is 3229776.

It is not a de Polignac number, because 6779223 - 2⁴ = 6779207 is a prime.

6779223 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6779203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34140 + ... + 34337.

It is an arithmetic number, because the mean of its divisors is an integer number (890214).

Almost surely, 2^6779223 is an apocalyptic number.

6779223 is a deficient number, since it is larger than the sum of its proper divisors (3903345).

6779223 is a wasteful number, since it uses less digits than its factorization.

6779223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68494 (or 68491 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 6779223 is about 2603.6941064572. The cubic root of 6779223 is about 189.2604957571.

The spelling of 6779223 in words is "six million, seven hundred seventy-nine thousand, two hundred twenty-three".