677314247 has 2 divisors, whose sum is σ = 677314248. Its totient is φ = 677314246.

The previous prime is 677314229. The next prime is 677314249. The reversal of 677314247 is 742413776.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677314247 is a prime.

Together with 677314249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677314249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338657123 + 338657124.

It is an arithmetic number, because the mean of its divisors is an integer number (338657124).

Almost surely, 2^677314247 is an apocalyptic number.

677314247 is a deficient number, since it is larger than the sum of its proper divisors (1).

677314247 is an equidigital number, since it uses as much as digits as its factorization.

677314247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 41.

The square root of 677314247 is about 26025.2617085785. The cubic root of 677314247 is about 878.2066815387.

The spelling of 677314247 in words is "six hundred seventy-seven million, three hundred fourteen thousand, two hundred forty-seven".