868389000044 has 12 divisors (see below), whose sum is σ = 1528780635984. Its totient is φ = 431594532624.

The previous prime is 868389000043. The next prime is 868389000053. The reversal of 868389000044 is 440000983868.

It is a junction number, because it is equal to n+sod(n) for n = 868388999956 and 868389000001.

It is not an unprimeable number, because it can be changed into a prime (868389000043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649991099 + ... + 649992434.

It is an arithmetic number, because the mean of its divisors is an integer number (127398386332).

Almost surely, 2^868389000044 is an apocalyptic number.

It is an amenable number.

868389000044 is a deficient number, since it is larger than the sum of its proper divisors (660391635940).

868389000044 is a wasteful number, since it uses less digits than its factorization.

868389000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299983704 (or 1299983702 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 868389000044 in words is "eight hundred sixty-eight billion, three hundred eighty-nine million, forty-four", and thus it is an aban number.