868822668 has 36 divisors (see below), whose sum is σ = 2509932880. Its totient is φ = 248234976.

The previous prime is 868822667. The next prime is 868822679. The reversal of 868822668 is 866228868.

868822668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×868822668³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (868822663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1723603 + ... + 1724106.

Almost surely, 2^868822668 is an apocalyptic number.

It is an amenable number.

868822668 is an abundant number, since it is smaller than the sum of its proper divisors (1641110212).

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

868822668 is a wasteful number, since it uses less digits than its factorization.

868822668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447726 (or 3447721 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 868822668 is about 29475.7980044646. The cubic root of 868822668 is about 954.2094525803.

The spelling of 868822668 in words is "eight hundred sixty-eight million, eight hundred twenty-two thousand, six hundred sixty-eight".