866330877001 has 2 divisors, whose sum is σ = 866330877002. Its totient is φ = 866330877000.

The previous prime is 866330876981. The next prime is 866330877043. The reversal of 866330877001 is 100778033668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 627737705401 + 238593171600 = 792299^2 + 488460^2 .

It is a cyclic number.

It is not a de Polignac number, because 866330877001 - 2⁵ = 866330876969 is a prime.

It is not a weakly prime, because it can be changed into another prime (866330877901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433165438500 + 433165438501.

It is an arithmetic number, because the mean of its divisors is an integer number (433165438501).

Almost surely, 2^866330877001 is an apocalyptic number.

It is an amenable number.

866330877001 is a deficient number, since it is larger than the sum of its proper divisors (1).

866330877001 is an equidigital number, since it uses as much as digits as its factorization.

866330877001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 866330877001 in words is "eight hundred sixty-six billion, three hundred thirty million, eight hundred seventy-seven thousand, one".