677127329 has 2 divisors, whose sum is σ = 677127330. Its totient is φ = 677127328.

The previous prime is 677127313. The next prime is 677127349. The reversal of 677127329 is 923721776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 664453729 + 12673600 = 25777^2 + 3560^2 .

It is a cyclic number.

It is not a de Polignac number, because 677127329 - 2⁴ = 677127313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677127329.

It is not a weakly prime, because it can be changed into another prime (677127349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338563664 + 338563665.

It is an arithmetic number, because the mean of its divisors is an integer number (338563665).

Almost surely, 2^677127329 is an apocalyptic number.

It is an amenable number.

677127329 is a deficient number, since it is larger than the sum of its proper divisors (1).

677127329 is an equidigital number, since it uses as much as digits as its factorization.

677127329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 44.

The square root of 677127329 is about 26021.6703729795. The cubic root of 677127329 is about 878.1258880519.

The spelling of 677127329 in words is "six hundred seventy-seven million, one hundred twenty-seven thousand, three hundred twenty-nine".