8604122866 has 4 divisors (see below), whose sum is σ = 12906184302. Its totient is φ = 4302061432.

The previous prime is 8604122801. The next prime is 8604122867. The reversal of 8604122866 is 6682214068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7661325841 + 942797025 = 87529^2 + 30705^2 .

It is not an unprimeable number, because it can be changed into a prime (8604122867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2151030715 + ... + 2151030718.

Almost surely, 2^8604122866 is an apocalyptic number.

8604122866 is a deficient number, since it is larger than the sum of its proper divisors (4302061436).

8604122866 is a wasteful number, since it uses less digits than its factorization.

8604122866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302061435.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 8604122866 is about 92758.4112951489. The cubic root of 8604122866 is about 2049.1269624564.

The spelling of 8604122866 in words is "eight billion, six hundred four million, one hundred twenty-two thousand, eight hundred sixty-six".