8991073452 has 24 divisors (see below), whose sum is σ = 21001587376. Its totient is φ = 2993822208.

The previous prime is 8991073447. The next prime is 8991073477. The reversal of 8991073452 is 2543701998.

8991073452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388573 + ... + 411060.

Almost surely, 2^8991073452 is an apocalyptic number.

It is an amenable number.

8991073452 is an abundant number, since it is smaller than the sum of its proper divisors (12010513924).

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

8991073452 is a wasteful number, since it uses less digits than its factorization.

8991073452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800577 (or 800575 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 8991073452 is about 94821.2710946231. The cubic root of 8991073452 is about 2079.3958930414.

The spelling of 8991073452 in words is "eight billion, nine hundred ninety-one million, seventy-three thousand, four hundred fifty-two".