677875769 has 2 divisors, whose sum is σ = 677875770. Its totient is φ = 677875768.

The previous prime is 677875739. The next prime is 677875801. The reversal of 677875769 is 967578776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470890000 + 206985769 = 21700^2 + 14387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677875769 is a prime.

It is a super-2 number, since 2×677875769² = 919031116394682722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (677875739) 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, 338937884 + 338937885.

It is an arithmetic number, because the mean of its divisors is an integer number (338937885).

Almost surely, 2^677875769 is an apocalyptic number.

It is an amenable number.

677875769 is a deficient number, since it is larger than the sum of its proper divisors (1).

677875769 is an equidigital number, since it uses as much as digits as its factorization.

677875769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31116960, while the sum is 62.

The square root of 677875769 is about 26036.0474918909. The cubic root of 677875769 is about 878.4493045956.

The spelling of 677875769 in words is "six hundred seventy-seven million, eight hundred seventy-five thousand, seven hundred sixty-nine".