866330877043 has 2 divisors, whose sum is σ = 866330877044. Its totient is φ = 866330877042.

The previous prime is 866330877001. The next prime is 866330877047. The reversal of 866330877043 is 340778033668.

866330877043 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 a de Polignac number, because none of the positive numbers 2^k-866330877043 is a prime.

It is not a weakly prime, because it can be changed into another prime (866330877047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433165438521 + 433165438522.

It is an arithmetic number, because the mean of its divisors is an integer number (433165438522).

Almost surely, 2^866330877043 is an apocalyptic number.

866330877043 is a deficient number, since it is larger than the sum of its proper divisors (1).

866330877043 is an equidigital number, since it uses as much as digits as its factorization.

866330877043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 866330877043 in words is "eight hundred sixty-six billion, three hundred thirty million, eight hundred seventy-seven thousand, forty-three".