9887584857889 has 8 divisors (see below), whose sum is σ = 9948403292832. Its totient is φ = 9826768355040.

The previous prime is 9887584857869. The next prime is 9887584857901.

9887584857889 is nontrivially palindromic in base 10.

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 9887584857889 - 2³⁹ = 9337829044001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9887584857797 and 9887584857806.

It is not an unprimeable number, because it can be changed into a prime (9887584857869) 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, 10557069 + ... + 11455429.

It is an arithmetic number, because the mean of its divisors is an integer number (1243550411604).

Almost surely, 2^{9887584857889} is an apocalyptic number.

It is an amenable number.

9887584857889 is a deficient number, since it is larger than the sum of its proper divisors (60818434943).

9887584857889 is a wasteful number, since it uses less digits than its factorization.

9887584857889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966047.

The product of its digits is 104044953600, while the sum is 94.

The spelling of 9887584857889 in words is "nine trillion, eight hundred eighty-seven billion, five hundred eighty-four million, eight hundred fifty-seven thousand, eight hundred eighty-nine".