8609658892 has 12 divisors (see below), whose sum is σ = 15552932416. Its totient is φ = 4165963920.

The previous prime is 8609658853. The next prime is 8609658899. The reversal of 8609658892 is 2988569068.

It is a self number, because there is not a number n which added to its sum of digits gives 8609658892.

It is not an unprimeable number, because it can be changed into a prime (8609658899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34716243 + ... + 34716490.

Almost surely, 2^8609658892 is an apocalyptic number.

It is an amenable number.

8609658892 is a deficient number, since it is larger than the sum of its proper divisors (6943273524).

8609658892 is a wasteful number, since it uses less digits than its factorization.

8609658892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69432768 (or 69432766 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 61.

The square root of 8609658892 is about 92788.2475963416. The cubic root of 8609658892 is about 2049.5663482491.

The spelling of 8609658892 in words is "eight billion, six hundred nine million, six hundred fifty-eight thousand, eight hundred ninety-two".