889121121988 has 12 divisors (see below), whose sum is σ = 1697413051152. Its totient is φ = 404145964520.

The previous prime is 889121121983. The next prime is 889121121991.

889121121988 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (889121121983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10103649070 + ... + 10103649157.

It is an arithmetic number, because the mean of its divisors is an integer number (141451087596).

Almost surely, 2^889121121988 is an apocalyptic number.

It is an amenable number.

889121121988 is a deficient number, since it is larger than the sum of its proper divisors (808291929164).

889121121988 is a wasteful number, since it uses less digits than its factorization.

889121121988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20207298242 (or 20207298240 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 58.

The spelling of 889121121988 in words is "eight hundred eighty-nine billion, one hundred twenty-one million, one hundred twenty-one thousand, nine hundred eighty-eight".