5981665727 has 2 divisors, whose sum is σ = 5981665728. Its totient is φ = 5981665726.

The previous prime is 5981665649. The next prime is 5981665741. The reversal of 5981665727 is 7275661895.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5981665727 - 2²⁶ = 5914556863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5981665787) 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, 2990832863 + 2990832864.

It is an arithmetic number, because the mean of its divisors is an integer number (2990832864).

Almost surely, 2^5981665727 is an apocalyptic number.

5981665727 is a deficient number, since it is larger than the sum of its proper divisors (1).

5981665727 is an equidigital number, since it uses as much as digits as its factorization.

5981665727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6350400, while the sum is 56.

The square root of 5981665727 is about 77341.2291536668. The cubic root of 5981665727 is about 1815.2678385528.

The spelling of 5981665727 in words is "five billion, nine hundred eighty-one million, six hundred sixty-five thousand, seven hundred twenty-seven".