677580317 has 2 divisors, whose sum is σ = 677580318. Its totient is φ = 677580316.

The previous prime is 677580311. The next prime is 677580353. The reversal of 677580317 is 713085776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 636351076 + 41229241 = 25226^2 + 6421^2 .

It is a cyclic number.

It is not a de Polignac number, because 677580317 - 2⁸ = 677580061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677580311) 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, 338790158 + 338790159.

It is an arithmetic number, because the mean of its divisors is an integer number (338790159).

Almost surely, 2^677580317 is an apocalyptic number.

It is an amenable number.

677580317 is a deficient number, since it is larger than the sum of its proper divisors (1).

677580317 is an equidigital number, since it uses as much as digits as its factorization.

677580317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 44.

The square root of 677580317 is about 26030.3729708201. The cubic root of 677580317 is about 878.3216620728.

The spelling of 677580317 in words is "six hundred seventy-seven million, five hundred eighty thousand, three hundred seventeen".