8663940008 has 32 divisors (see below), whose sum is σ = 16859232000. Its totient is φ = 4169108160.

The previous prime is 8663940001. The next prime is 8663940023. The reversal of 8663940008 is 8000493668.

It is not an unprimeable number, because it can be changed into a prime (8663940001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12113 + ... + 132191.

It is an arithmetic number, because the mean of its divisors is an integer number (526851000).

Almost surely, 2^8663940008 is an apocalyptic number.

It is an amenable number.

8663940008 is a deficient number, since it is larger than the sum of its proper divisors (8195291992).

8663940008 is a wasteful number, since it uses less digits than its factorization.

8663940008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120425 (or 120421 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 8663940008 is about 93080.2879668945. The cubic root of 8663940008 is about 2053.8646122253.

The spelling of 8663940008 in words is "eight billion, six hundred sixty-three million, nine hundred forty thousand, eight".