8089321521 has 8 divisors (see below), whose sum is σ = 10789567200. Its totient is φ = 5390978432.

The previous prime is 8089321489. The next prime is 8089321523. The reversal of 8089321521 is 1251239808.

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 8089321521 - 2⁵ = 8089321489 is a prime.

It is a super-2 number, since 2×8089321521² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8089321521.

It is not an unprimeable number, because it can be changed into a prime (8089321523) 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, 465696 + ... + 482753.

It is an arithmetic number, because the mean of its divisors is an integer number (1348695900).

Almost surely, 2^8089321521 is an apocalyptic number.

It is an amenable number.

8089321521 is a deficient number, since it is larger than the sum of its proper divisors (2700245679).

8089321521 is a wasteful number, since it uses less digits than its factorization.

8089321521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951295.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 8089321521 is about 89940.6555513134. The cubic root of 8089321521 is about 2007.4159281013.

The spelling of 8089321521 in words is "eight billion, eighty-nine million, three hundred twenty-one thousand, five hundred twenty-one".