889769768 has 8 divisors (see below), whose sum is σ = 1668318330. Its totient is φ = 444884880.

The previous prime is 889769759. The next prime is 889769779. The reversal of 889769768 is 867967988.

It can be written as a sum of positive squares in only one way, i.e., 778298404 + 111471364 = 27898^2 + 10558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 889769698 and 889769707.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 55610603 + ... + 55610618.

Almost surely, 2^889769768 is an apocalyptic number.

It is an amenable number.

889769768 is a deficient number, since it is larger than the sum of its proper divisors (778548562).

889769768 is a wasteful number, since it uses less digits than its factorization.

889769768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111221227 (or 111221223 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 68.

The square root of 889769768 is about 29829.0088336840. The cubic root of 889769768 is about 961.8172205592.

The spelling of 889769768 in words is "eight hundred eighty-nine million, seven hundred sixty-nine thousand, seven hundred sixty-eight".