8107643908 has 48 divisors (see below), whose sum is σ = 17573968384. Its totient is φ = 3186967680.

The previous prime is 8107643891. The next prime is 8107643909. The reversal of 8107643908 is 8093467018.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8107643909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13788 + ... + 128083.

Almost surely, 2^8107643908 is an apocalyptic number.

It is an amenable number.

8107643908 is an abundant number, since it is smaller than the sum of its proper divisors (9466324476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8107643908 is a wasteful number, since it uses less digits than its factorization.

8107643908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142052 (or 142050 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 8107643908 is about 90042.4561415336. The cubic root of 8107643908 is about 2008.9303903792.

The spelling of 8107643908 in words is "eight billion, one hundred seven million, six hundred forty-three thousand, nine hundred eight".