869744012688 has 30 divisors (see below), whose sum is σ = 2434075258134. Its totient is φ = 289914670848.

The previous prime is 869744012671. The next prime is 869744012689. The reversal of 869744012688 is 886210447968.

869744012688 is a `hidden beast` number, since 8 + 6 + 97 + 440 + 1 + 26 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 867111091344 + 2632921344 = 931188^2 + 51312^2 .

It is not an unprimeable number, because it can be changed into a prime (869744012689) 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, 3019944345 + ... + 3019944632.

Almost surely, 2^869744012688 is an apocalyptic number.

It is an amenable number.

869744012688 is an abundant number, since it is smaller than the sum of its proper divisors (1564331245446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869744012688 is a wasteful number, since it uses less digits than its factorization.

869744012688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6039888991 (or 6039888982 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 869744012688 in words is "eight hundred sixty-nine billion, seven hundred forty-four million, twelve thousand, six hundred eighty-eight".