868808868 has 96 divisors (see below), whose sum is σ = 2189980800. Its totient is φ = 267110400.

The previous prime is 868808861. The next prime is 868808873.

868808868 is nontrivially palindromic in base 10.

868808868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (868808861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3069855 + ... + 3070137.

It is an arithmetic number, because the mean of its divisors is an integer number (22812300).

Almost surely, 2^868808868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868808868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094990400).

868808868 is an abundant number, since it is smaller than the sum of its proper divisors (1321171932).

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

868808868 is a wasteful number, since it uses less digits than its factorization.

868808868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 60.

The square root of 868808868 is about 29475.5639131807. The cubic root of 868808868 is about 954.2044004714.

The spelling of 868808868 in words is "eight hundred sixty-eight million, eight hundred eight thousand, eight hundred sixty-eight".