1208660076917 has 2 divisors, whose sum is σ = 1208660076918. Its totient is φ = 1208660076916.

The previous prime is 1208660076901. The next prime is 1208660076941. The reversal of 1208660076917 is 7196700668021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1169769870481 + 38890206436 = 1081559^2 + 197206^2 .

It is a cyclic number.

It is not a de Polignac number, because 1208660076917 - 2⁴ = 1208660076901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1208660076317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604330038458 + 604330038459.

It is an arithmetic number, because the mean of its divisors is an integer number (604330038459).

Almost surely, 2^{1208660076917} is an apocalyptic number.

It is an amenable number.

1208660076917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1208660076917 is an equidigital number, since it uses as much as digits as its factorization.

1208660076917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 1208660076917 in words is "one trillion, two hundred eight billion, six hundred sixty million, seventy-six thousand, nine hundred seventeen".