889989706321 has 8 divisors (see below), whose sum is σ = 890276989824. Its totient is φ = 889702482480.

The previous prime is 889989706303. The next prime is 889989706343. The reversal of 889989706321 is 123607989988.

889989706321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 889989706321 - 2²⁷ = 889855488593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889989706621) 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, 68417400 + ... + 68430406.

It is an arithmetic number, because the mean of its divisors is an integer number (111284623728).

Almost surely, 2^889989706321 is an apocalyptic number.

It is an amenable number.

889989706321 is a deficient number, since it is larger than the sum of its proper divisors (287283503).

889989706321 is a wasteful number, since it uses less digits than its factorization.

889989706321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29831.

The product of its (nonzero) digits is 94058496, while the sum is 70.

The spelling of 889989706321 in words is "eight hundred eighty-nine billion, nine hundred eighty-nine million, seven hundred six thousand, three hundred twenty-one".