6777923 has 2 divisors, whose sum is σ = 6777924. Its totient is φ = 6777922.

The previous prime is 6777839. The next prime is 6777931. The reversal of 6777923 is 3297776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6777923 - 2¹² = 6773827 is a prime.

It is not a weakly prime, because it can be changed into another prime (6777943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388961 + 3388962.

It is an arithmetic number, because the mean of its divisors is an integer number (3388962).

Almost surely, 2^6777923 is an apocalyptic number.

6777923 is a deficient number, since it is larger than the sum of its proper divisors (1).

6777923 is an equidigital number, since it uses as much as digits as its factorization.

6777923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111132, while the sum is 41.

The square root of 6777923 is about 2603.4444491865. Note that the first 5 decimals coincide. The cubic root of 6777923 is about 189.2483973021.

The spelling of 6777923 in words is "six million, seven hundred seventy-seven thousand, nine hundred twenty-three".