8669378827 has 2 divisors, whose sum is σ = 8669378828. Its totient is φ = 8669378826.

The previous prime is 8669378819. The next prime is 8669378831. The reversal of 8669378827 is 7288739668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8669378827 - 2³ = 8669378819 is a prime.

It is not a weakly prime, because it can be changed into another prime (8669378807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4334689413 + 4334689414.

It is an arithmetic number, because the mean of its divisors is an integer number (4334689414).

Almost surely, 2^8669378827 is an apocalyptic number.

8669378827 is a deficient number, since it is larger than the sum of its proper divisors (1).

8669378827 is an equidigital number, since it uses as much as digits as its factorization.

8669378827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48771072, while the sum is 64.

The square root of 8669378827 is about 93109.4991233440. The cubic root of 8669378827 is about 2054.2942959189.

The spelling of 8669378827 in words is "eight billion, six hundred sixty-nine million, three hundred seventy-eight thousand, eight hundred twenty-seven".