5278065688771 has 2 divisors, whose sum is σ = 5278065688772. Its totient is φ = 5278065688770.

The previous prime is 5278065688747. The next prime is 5278065688781. The reversal of 5278065688771 is 1778865608725.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5278065688771 - 2¹¹ = 5278065686723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5278065688771.

It is not a weakly prime, because it can be changed into another prime (5278065688781) 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, 2639032844385 + 2639032844386.

It is an arithmetic number, because the mean of its divisors is an integer number (2639032844386).

Almost surely, 2^{5278065688771} is an apocalyptic number.

5278065688771 is a deficient number, since it is larger than the sum of its proper divisors (1).

5278065688771 is an equidigital number, since it uses as much as digits as its factorization.

5278065688771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 316108800, while the sum is 70.

The spelling of 5278065688771 in words is "five trillion, two hundred seventy-eight billion, sixty-five million, six hundred eighty-eight thousand, seven hundred seventy-one".