8871988009 has 8 divisors (see below), whose sum is σ = 9225976320. Its totient is φ = 8521203600.

The previous prime is 8871988001. The next prime is 8871988019. The reversal of 8871988009 is 9008891788.

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 8871988009 - 2³ = 8871988001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8871988001) 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, 795327 + ... + 806404.

It is an arithmetic number, because the mean of its divisors is an integer number (1153247040).

Almost surely, 2^8871988009 is an apocalyptic number.

It is an amenable number.

8871988009 is a deficient number, since it is larger than the sum of its proper divisors (353988311).

8871988009 is a wasteful number, since it uses less digits than its factorization.

8871988009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601951.

The product of its (nonzero) digits is 2322432, while the sum is 58.

The square root of 8871988009 is about 94191.2310621323. The cubic root of 8871988009 is about 2070.1746302610.

The spelling of 8871988009 in words is "eight billion, eight hundred seventy-one million, nine hundred eighty-eight thousand, nine".