868389000050 has 72 divisors (see below), whose sum is σ = 1908008259120. Its totient is φ = 291487185600.

The previous prime is 868389000043. The next prime is 868389000053. The reversal of 868389000050 is 50000983868.

It is a junction number, because it is equal to n+sod(n) for n = 868388999959 and 868389000004.

It is not an unprimeable number, because it can be changed into a prime (868389000053) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4578320 + ... + 4764219.

It is an arithmetic number, because the mean of its divisors is an integer number (26500114710).

Almost surely, 2^868389000050 is an apocalyptic number.

868389000050 is an abundant number, since it is smaller than the sum of its proper divisors (1039619259070).

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

868389000050 is a wasteful number, since it uses less digits than its factorization.

868389000050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342588 (or 9342570 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 868389000050 in words is "eight hundred sixty-eight billion, three hundred eighty-nine million, fifty", and thus it is an aban number.