889659801 has 16 divisors (see below), whose sum is σ = 1318564800. Its totient is φ = 592858944.

The previous prime is 889659791. The next prime is 889659817. The reversal of 889659801 is 108956988.

It is a de Polignac number, because none of the positive numbers 2^k-889659801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (889659871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78070 + ... + 88736.

It is an arithmetic number, because the mean of its divisors is an integer number (82410300).

Almost surely, 2^889659801 is an apocalyptic number.

It is an amenable number.

889659801 is a deficient number, since it is larger than the sum of its proper divisors (428904999).

889659801 is a wasteful number, since it uses less digits than its factorization.

889659801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13765 (or 13759 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The square root of 889659801 is about 29827.1654871863. The cubic root of 889659801 is about 961.7775951356. Note that the first 3 decimals are identical.

The spelling of 889659801 in words is "eight hundred eighty-nine million, six hundred fifty-nine thousand, eight hundred one".