868315911 has 4 divisors (see below), whose sum is σ = 1157754552. Its totient is φ = 578877272.

The previous prime is 868315901. The next prime is 868315937. The reversal of 868315911 is 119513868.

868315911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 868315911 - 2⁵ = 868315879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868315901) 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, 144719316 + ... + 144719321.

It is an arithmetic number, because the mean of its divisors is an integer number (289438638).

Almost surely, 2^868315911 is an apocalyptic number.

868315911 is a deficient number, since it is larger than the sum of its proper divisors (289438641).

868315911 is a wasteful number, since it uses less digits than its factorization.

868315911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289438640.

The product of its digits is 51840, while the sum is 42.

The square root of 868315911 is about 29467.2005965955. The cubic root of 868315911 is about 954.0238963552.

The spelling of 868315911 in words is "eight hundred sixty-eight million, three hundred fifteen thousand, nine hundred eleven".