868684376641 has 8 divisors (see below), whose sum is σ = 879451058304. Its totient is φ = 857924852400.

The previous prime is 868684376627. The next prime is 868684376671. The reversal of 868684376641 is 146673486868.

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 868684376641 - 2⁹ = 868684376129 is a prime.

It is a super-2 number, since 2×868684376641² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868684376671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544910 + ... + 2030791.

It is an arithmetic number, because the mean of its divisors is an integer number (109931382288).

Almost surely, 2^868684376641 is an apocalyptic number.

It is an amenable number.

868684376641 is a deficient number, since it is larger than the sum of its proper divisors (10766681663).

868684376641 is a wasteful number, since it uses less digits than its factorization.

868684376641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578711.

The product of its digits is 222953472, while the sum is 67.

The spelling of 868684376641 in words is "eight hundred sixty-eight billion, six hundred eighty-four million, three hundred seventy-six thousand, six hundred forty-one".