889766121 has 16 divisors (see below), whose sum is σ = 1235120384. Its totient is φ = 569234304.

The previous prime is 889766099. The next prime is 889766131. The reversal of 889766121 is 121667988.

It is not a de Polignac number, because 889766121 - 2⁵ = 889766089 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (889766131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46801 + ... + 63006.

It is an arithmetic number, because the mean of its divisors is an integer number (77195024).

Almost surely, 2^889766121 is an apocalyptic number.

It is an amenable number.

889766121 is a deficient number, since it is larger than the sum of its proper divisors (345354263).

889766121 is a wasteful number, since it uses less digits than its factorization.

889766121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109920.

The product of its digits is 290304, while the sum is 48.

The square root of 889766121 is about 29828.9477018550. The cubic root of 889766121 is about 961.8159064544.

The spelling of 889766121 in words is "eight hundred eighty-nine million, seven hundred sixty-six thousand, one hundred twenty-one".