7708547668673 has 2 divisors, whose sum is σ = 7708547668674. Its totient is φ = 7708547668672.

The previous prime is 7708547668669. The next prime is 7708547668873. The reversal of 7708547668673 is 3768667458077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7557842217409 + 150705451264 = 2749153^2 + 388208^2 .

It is a cyclic number.

It is not a de Polignac number, because 7708547668673 - 2² = 7708547668669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7708547668673.

It is not a weakly prime, because it can be changed into another prime (7708547668643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3854273834336 + 3854273834337.

It is an arithmetic number, because the mean of its divisors is an integer number (3854273834337).

Almost surely, 2^{7708547668673} is an apocalyptic number.

It is an amenable number.

7708547668673 is a deficient number, since it is larger than the sum of its proper divisors (1).

7708547668673 is an equidigital number, since it uses as much as digits as its factorization.

7708547668673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1991485440, while the sum is 74.

The spelling of 7708547668673 in words is "seven trillion, seven hundred eight billion, five hundred forty-seven million, six hundred sixty-eight thousand, six hundred seventy-three".