8881209612 has 36 divisors (see below), whose sum is σ = 24490609416. Its totient is φ = 2691275520.

The previous prime is 8881209611. The next prime is 8881209703. The reversal of 8881209612 is 2169021888.

It is a happy number.

8881209612 is a `hidden beast` number, since 8 + 8 + 8 + 1 + 20 + 9 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (8881209611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11213253 + ... + 11214044.

It is an arithmetic number, because the mean of its divisors is an integer number (680294706).

Almost surely, 2^8881209612 is an apocalyptic number.

It is an amenable number.

8881209612 is an abundant number, since it is smaller than the sum of its proper divisors (15609399804).

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

8881209612 is a wasteful number, since it uses less digits than its factorization.

8881209612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22427318 (or 22427313 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 8881209612 is about 94240.1698428011. The cubic root of 8881209612 is about 2070.8916329656.

The spelling of 8881209612 in words is "eight billion, eight hundred eighty-one million, two hundred nine thousand, six hundred twelve".