677169943 has 2 divisors, whose sum is σ = 677169944. Its totient is φ = 677169942.

The previous prime is 677169907. The next prime is 677169947. The reversal of 677169943 is 349961776.

677169943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677169943 - 2²⁹ = 140299031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677169947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338584971 + 338584972.

It is an arithmetic number, because the mean of its divisors is an integer number (338584972).

Almost surely, 2^677169943 is an apocalyptic number.

677169943 is a deficient number, since it is larger than the sum of its proper divisors (1).

677169943 is an equidigital number, since it uses as much as digits as its factorization.

677169943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 52.

The square root of 677169943 is about 26022.4891776325. The cubic root of 677169943 is about 878.1443088471.

The spelling of 677169943 in words is "six hundred seventy-seven million, one hundred sixty-nine thousand, nine hundred forty-three".