677759122673 has 2 divisors, whose sum is σ = 677759122674. Its totient is φ = 677759122672.

The previous prime is 677759122637. The next prime is 677759122681. The reversal of 677759122673 is 376221957776.

It is a happy number.

Together with previous prime (677759122637) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 646370976784 + 31388145889 = 803972^2 + 177167^2 .

It is a cyclic number.

It is not a de Polignac number, because 677759122673 - 2⁶ = 677759122609 is a prime.

It is not a weakly prime, because it can be changed into another prime (677759122603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338879561336 + 338879561337.

It is an arithmetic number, because the mean of its divisors is an integer number (338879561337).

Almost surely, 2^677759122673 is an apocalyptic number.

It is an amenable number.

677759122673 is a deficient number, since it is larger than the sum of its proper divisors (1).

677759122673 is an equidigital number, since it uses as much as digits as its factorization.

677759122673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46675440, while the sum is 62.

The spelling of 677759122673 in words is "six hundred seventy-seven billion, seven hundred fifty-nine million, one hundred twenty-two thousand, six hundred seventy-three".