866941149727 has 2 divisors, whose sum is σ = 866941149728. Its totient is φ = 866941149726.

The previous prime is 866941149643. The next prime is 866941149751. The reversal of 866941149727 is 727941149668.

866941149727 is digitally balanced in base 2, 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 866941149727 - 2²³ = 866932761119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (866941146727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433470574863 + 433470574864.

It is an arithmetic number, because the mean of its divisors is an integer number (433470574864).

Almost surely, 2^866941149727 is an apocalyptic number.

866941149727 is a deficient number, since it is larger than the sum of its proper divisors (1).

866941149727 is an equidigital number, since it uses as much as digits as its factorization.

866941149727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304, while the sum is 64.

The spelling of 866941149727 in words is "eight hundred sixty-six billion, nine hundred forty-one million, one hundred forty-nine thousand, seven hundred twenty-seven".