677010989 has 2 divisors, whose sum is σ = 677010990. Its totient is φ = 677010988.

The previous prime is 677010973. The next prime is 677011007. The reversal of 677010989 is 989010776.

677010989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 526335364 + 150675625 = 22942^2 + 12275^2 .

It is a cyclic number.

It is not a de Polignac number, because 677010989 - 2⁴ = 677010973 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

677010989 is a modest number, since divided by 10989 gives 677 as remainder.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677010689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338505494 + 338505495.

It is an arithmetic number, because the mean of its divisors is an integer number (338505495).

Almost surely, 2^677010989 is an apocalyptic number.

It is an amenable number.

677010989 is a deficient number, since it is larger than the sum of its proper divisors (1).

677010989 is an equidigital number, since it uses as much as digits as its factorization.

677010989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 677010989 is about 26019.4348324478. The cubic root of 677010989 is about 878.0755937114.

The spelling of 677010989 in words is "six hundred seventy-seven million, ten thousand, nine hundred eighty-nine".