5778680242217 has 2 divisors, whose sum is σ = 5778680242218. Its totient is φ = 5778680242216.

The previous prime is 5778680242183. The next prime is 5778680242229. The reversal of 5778680242217 is 7122420868775.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5083451131801 + 695229110416 = 2254651^2 + 833804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5778680242217 is a prime.

It is not a weakly prime, because it can be changed into another prime (5778680242297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2889340121108 + 2889340121109.

It is an arithmetic number, because the mean of its divisors is an integer number (2889340121109).

Almost surely, 2^{5778680242217} is an apocalyptic number.

It is an amenable number.

5778680242217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5778680242217 is an equidigital number, since it uses as much as digits as its factorization.

5778680242217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21073920, while the sum is 59.

The spelling of 5778680242217 in words is "five trillion, seven hundred seventy-eight billion, six hundred eighty million, two hundred forty-two thousand, two hundred seventeen".