8720573089 has 8 divisors (see below), whose sum is σ = 9192512000. Its totient is φ = 8249930352.

The previous prime is 8720573039. The next prime is 8720573111. The reversal of 8720573089 is 9803750278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8720573089 - 2¹⁹ = 8720048801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8720573039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310209 + ... + 337150.

It is an arithmetic number, because the mean of its divisors is an integer number (1149064000).

Almost surely, 2^8720573089 is an apocalyptic number.

It is an amenable number.

8720573089 is a deficient number, since it is larger than the sum of its proper divisors (471938911).

8720573089 is a wasteful number, since it uses less digits than its factorization.

8720573089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648087.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 8720573089 is about 93384.0087434674. The cubic root of 8720573089 is about 2058.3300231512.

The spelling of 8720573089 in words is "eight billion, seven hundred twenty million, five hundred seventy-three thousand, eighty-nine".