6869977 has 2 divisors, whose sum is σ = 6869978. Its totient is φ = 6869976.

The previous prime is 6869969. The next prime is 6869987. The reversal of 6869977 is 7799686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6859161 + 10816 = 2619^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 6869977 - 2³ = 6869969 is a prime.

6869977 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6869927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3434988 + 3434989.

It is an arithmetic number, because the mean of its divisors is an integer number (3434989).

Almost surely, 2^6869977 is an apocalyptic number.

It is an amenable number.

6869977 is a deficient number, since it is larger than the sum of its proper divisors (1).

6869977 is an equidigital number, since it uses as much as digits as its factorization.

6869977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 52.

The square root of 6869977 is about 2621.0640968889. The cubic root of 6869977 is about 190.1013033187.

The spelling of 6869977 in words is "six million, eight hundred sixty-nine thousand, nine hundred seventy-seven".