5778668773 has 2 divisors, whose sum is σ = 5778668774. Its totient is φ = 5778668772.

The previous prime is 5778668761. The next prime is 5778668803. The reversal of 5778668773 is 3778668775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3851195364 + 1927473409 = 62058^2 + 43903^2 .

It is a cyclic number.

It is not a de Polignac number, because 5778668773 - 2⁹ = 5778668261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5778660773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2889334386 + 2889334387.

It is an arithmetic number, because the mean of its divisors is an integer number (2889334387).

Almost surely, 2^5778668773 is an apocalyptic number.

It is an amenable number.

5778668773 is a deficient number, since it is larger than the sum of its proper divisors (1).

5778668773 is an equidigital number, since it uses as much as digits as its factorization.

5778668773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82978560, while the sum is 64.

The square root of 5778668773 is about 76017.5556894590. Note that the first 3 decimals coincide. The cubic root of 5778668773 is about 1794.4964380711.

The spelling of 5778668773 in words is "five billion, seven hundred seventy-eight million, six hundred sixty-eight thousand, seven hundred seventy-three".