5566888777 has 2 divisors, whose sum is σ = 5566888778. Its totient is φ = 5566888776.

The previous prime is 5566888771. The next prime is 5566888783. The reversal of 5566888777 is 7778886655.

It is a balanced prime because it is at equal distance from previous prime (5566888771) and next prime (5566888783).

It can be written as a sum of positive squares in only one way, i.e., 5411662096 + 155226681 = 73564^2 + 12459^2 .

It is a cyclic number.

It is not a de Polignac number, because 5566888777 - 2¹¹ = 5566886729 is a prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (5566888771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2783444388 + 2783444389.

It is an arithmetic number, because the mean of its divisors is an integer number (2783444389).

Almost surely, 2^5566888777 is an apocalyptic number.

It is an amenable number.

5566888777 is a deficient number, since it is larger than the sum of its proper divisors (1).

5566888777 is an equidigital number, since it uses as much as digits as its factorization.

5566888777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158054400, while the sum is 67.

The square root of 5566888777 is about 74611.5860774987. The cubic root of 5566888777 is about 1772.3011317803.

The spelling of 5566888777 in words is "five billion, five hundred sixty-six million, eight hundred eighty-eight thousand, seven hundred seventy-seven".