677427739 has 2 divisors, whose sum is σ = 677427740. Its totient is φ = 677427738.

The previous prime is 677427731. The next prime is 677427743. The reversal of 677427739 is 937724776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677427739 - 2³ = 677427731 is a prime.

It is not a weakly prime, because it can be changed into another prime (677427731) 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, 338713869 + 338713870.

It is an arithmetic number, because the mean of its divisors is an integer number (338713870).

Almost surely, 2^677427739 is an apocalyptic number.

677427739 is a deficient number, since it is larger than the sum of its proper divisors (1).

677427739 is an equidigital number, since it uses as much as digits as its factorization.

677427739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3111696, while the sum is 52.

The square root of 677427739 is about 26027.4420372037. The cubic root of 677427739 is about 878.2557300991.

The spelling of 677427739 in words is "six hundred seventy-seven million, four hundred twenty-seven thousand, seven hundred thirty-nine".