6977923 has 2 divisors, whose sum is σ = 6977924. Its totient is φ = 6977922.

The previous prime is 6977903. The next prime is 6977969. The reversal of 6977923 is 3297796.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6977923 - 2⁵ = 6977891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6977923.

It is not a weakly prime, because it can be changed into another prime (6977903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3488961 + 3488962.

It is an arithmetic number, because the mean of its divisors is an integer number (3488962).

Almost surely, 2^6977923 is an apocalyptic number.

6977923 is a deficient number, since it is larger than the sum of its proper divisors (1).

6977923 is an equidigital number, since it uses as much as digits as its factorization.

6977923 is an evil number, because the sum of its binary digits is even.

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

The square root of 6977923 is about 2641.5758554318. The cubic root of 6977923 is about 191.0918027661.

The spelling of 6977923 in words is "six million, nine hundred seventy-seven thousand, nine hundred twenty-three".