5266565377 has 2 divisors, whose sum is σ = 5266565378. Its totient is φ = 5266565376.

The previous prime is 5266565287. The next prime is 5266565383. The reversal of 5266565377 is 7735656625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5137879041 + 128686336 = 71679^2 + 11344^2 .

It is a cyclic number.

It is not a de Polignac number, because 5266565377 - 2¹¹ = 5266563329 is a prime.

It is not a weakly prime, because it can be changed into another prime (5266565077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633282688 + 2633282689.

It is an arithmetic number, because the mean of its divisors is an integer number (2633282689).

Almost surely, 2^5266565377 is an apocalyptic number.

It is an amenable number.

5266565377 is a deficient number, since it is larger than the sum of its proper divisors (1).

5266565377 is an equidigital number, since it uses as much as digits as its factorization.

5266565377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938000, while the sum is 52.

The square root of 5266565377 is about 72571.1056619644. The cubic root of 5266565377 is about 1739.8393933982.

The spelling of 5266565377 in words is "five billion, two hundred sixty-six million, five hundred sixty-five thousand, three hundred seventy-seven".