868570869871 has 8 divisors (see below), whose sum is σ = 914520783600. Its totient is φ = 822644521920.

The previous prime is 868570869851. The next prime is 868570869893. The reversal of 868570869871 is 178968075868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 868570869871 - 2³¹ = 866423386223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 868570869794 and 868570869803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868570869851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5815756 + ... + 5963233.

It is an arithmetic number, because the mean of its divisors is an integer number (114315097950).

Almost surely, 2^868570869871 is an apocalyptic number.

868570869871 is a deficient number, since it is larger than the sum of its proper divisors (45949913729).

868570869871 is a wasteful number, since it uses less digits than its factorization.

868570869871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11782889.

The product of its (nonzero) digits is 325140480, while the sum is 73.

The spelling of 868570869871 in words is "eight hundred sixty-eight billion, five hundred seventy million, eight hundred sixty-nine thousand, eight hundred seventy-one".