869316889 has 6 divisors (see below), whose sum is σ = 1011246234. Its totient is φ = 745128720.

The previous prime is 869316859. The next prime is 869316907. The reversal of 869316889 is 988613968.

869316889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 572788489 + 296528400 = 23933^2 + 17220^2 .

It is not a de Polignac number, because 869316889 - 2⁷ = 869316761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (869316859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8870532 + ... + 8870629.

It is an arithmetic number, because the mean of its divisors is an integer number (168541039).

Almost surely, 2^869316889 is an apocalyptic number.

It is an amenable number.

869316889 is a deficient number, since it is larger than the sum of its proper divisors (141929345).

869316889 is a wasteful number, since it uses less digits than its factorization.

869316889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17741175 (or 17741168 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 58.

The square root of 869316889 is about 29484.1803175873. The cubic root of 869316889 is about 954.3903490876.

The spelling of 869316889 in words is "eight hundred sixty-nine million, three hundred sixteen thousand, eight hundred eighty-nine".