8871890805884 has 24 divisors (see below), whose sum is σ = 15589624312080. Its totient is φ = 4417749758336.

The previous prime is 8871890805851. The next prime is 8871890805889. The reversal of 8871890805884 is 4885080981788.

It is a happy number.

It is a super-3 number, since 3×8871890805884³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8871890805889) 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, 3714617 + ... + 5616240.

It is an arithmetic number, because the mean of its divisors is an integer number (649567679670).

Almost surely, 2^{8871890805884} is an apocalyptic number.

It is an amenable number.

8871890805884 is a deficient number, since it is larger than the sum of its proper divisors (6717733506196).

8871890805884 is a wasteful number, since it uses less digits than its factorization.

8871890805884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9331837 (or 9331835 counting only the distinct ones).

The product of its (nonzero) digits is 330301440, while the sum is 74.

The spelling of 8871890805884 in words is "eight trillion, eight hundred seventy-one billion, eight hundred ninety million, eight hundred five thousand, eight hundred eighty-four".