677418347 has 2 divisors, whose sum is σ = 677418348. Its totient is φ = 677418346.

The previous prime is 677418317. The next prime is 677418367. The reversal of 677418347 is 743814776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677418347 - 2²⁸ = 408982891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (677418317) 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, 338709173 + 338709174.

It is an arithmetic number, because the mean of its divisors is an integer number (338709174).

Almost surely, 2^677418347 is an apocalyptic number.

677418347 is a deficient number, since it is larger than the sum of its proper divisors (1).

677418347 is an equidigital number, since it uses as much as digits as its factorization.

677418347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 47.

The square root of 677418347 is about 26027.2616116256. The cubic root of 677418347 is about 878.2516713066.

The spelling of 677418347 in words is "six hundred seventy-seven million, four hundred eighteen thousand, three hundred forty-seven".