8881064897808 has 160 divisors (see below), whose sum is σ = 24328739753856. Its totient is φ = 2782043643904.

The previous prime is 8881064897801. The next prime is 8881064897879. The reversal of 8881064897808 is 8087984601888.

It is a self number, because there is not a number n which added to its sum of digits gives 8881064897808.

It is not an unprimeable number, because it can be changed into a prime (8881064897801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2030883910 + ... + 2030888282.

Almost surely, 2^{8881064897808} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8881064897808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12164369876928).

8881064897808 is an abundant number, since it is smaller than the sum of its proper divisors (15447674856048).

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

8881064897808 is a wasteful number, since it uses less digits than its factorization.

8881064897808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7561 (or 7555 counting only the distinct ones).

The product of its (nonzero) digits is 396361728, while the sum is 75.

The spelling of 8881064897808 in words is "eight trillion, eight hundred eighty-one billion, sixty-four million, eight hundred ninety-seven thousand, eight hundred eight".