10866389827 has 2 divisors, whose sum is σ = 10866389828. Its totient is φ = 10866389826.

The previous prime is 10866389747. The next prime is 10866389837. The reversal of 10866389827 is 72898366801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10866389827 is a prime.

It is not a weakly prime, because it can be changed into another prime (10866389837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5433194913 + 5433194914.

It is an arithmetic number, because the mean of its divisors is an integer number (5433194914).

Almost surely, 2^10866389827 is an apocalyptic number.

10866389827 is a deficient number, since it is larger than the sum of its proper divisors (1).

10866389827 is an equidigital number, since it uses as much as digits as its factorization.

10866389827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 10866389827 in words is "ten billion, eight hundred sixty-six million, three hundred eighty-nine thousand, eight hundred twenty-seven".