6668885527 has 2 divisors, whose sum is σ = 6668885528. Its totient is φ = 6668885526.

The previous prime is 6668885519. The next prime is 6668885533. The reversal of 6668885527 is 7255888666.

6668885527 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6668885527 - 2³ = 6668885519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6668880527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3334442763 + 3334442764.

It is an arithmetic number, because the mean of its divisors is an integer number (3334442764).

Almost surely, 2^6668885527 is an apocalyptic number.

6668885527 is a deficient number, since it is larger than the sum of its proper divisors (1).

6668885527 is an equidigital number, since it uses as much as digits as its factorization.

6668885527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38707200, while the sum is 61.

The square root of 6668885527 is about 81663.2446514342. The cubic root of 6668885527 is about 1882.2808373528.

The spelling of 6668885527 in words is "six billion, six hundred sixty-eight million, eight hundred eighty-five thousand, five hundred twenty-seven".