8668323538 has 24 divisors (see below), whose sum is σ = 15193204992. Its totient is φ = 3698327304.

The previous prime is 8668323533. The next prime is 8668323541. The reversal of 8668323538 is 8353238668.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8668323533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176470 + ... + 220177.

It is an arithmetic number, because the mean of its divisors is an integer number (633050208).

Almost surely, 2^8668323538 is an apocalyptic number.

8668323538 is a deficient number, since it is larger than the sum of its proper divisors (6524881454).

8668323538 is a wasteful number, since it uses less digits than its factorization.

8668323538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396886 (or 396879 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 52.

The square root of 8668323538 is about 93103.8320263994. The cubic root of 8668323538 is about 2054.2109388455.

The spelling of 8668323538 in words is "eight billion, six hundred sixty-eight million, three hundred twenty-three thousand, five hundred thirty-eight".