8921280088572 has 48 divisors (see below), whose sum is σ = 21033915937440. Its totient is φ = 2942683656192.

The previous prime is 8921280088559. The next prime is 8921280088579. The reversal of 8921280088572 is 2758800821298.

8921280088572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8921280088579) 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, 7686208 + ... + 8770424.

It is an arithmetic number, because the mean of its divisors is an integer number (438206582030).

Almost surely, 2^{8921280088572} is an apocalyptic number.

It is an amenable number.

8921280088572 is an abundant number, since it is smaller than the sum of its proper divisors (12112635848868).

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

8921280088572 is a wasteful number, since it uses less digits than its factorization.

8921280088572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091390 (or 1091388 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 60.

The spelling of 8921280088572 in words is "eight trillion, nine hundred twenty-one billion, two hundred eighty million, eighty-eight thousand, five hundred seventy-two".