865027668 has 96 divisors (see below), whose sum is σ = 2196633600. Its totient is φ = 264059136.

The previous prime is 865027619. The next prime is 865027673. The reversal of 865027668 is 866720568.

865027668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 953271 + ... + 954177.

It is an arithmetic number, because the mean of its divisors is an integer number (22881600).

Almost surely, 2^865027668 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 865027668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1098316800).

865027668 is an abundant number, since it is smaller than the sum of its proper divisors (1331605932).

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

865027668 is a wasteful number, since it uses less digits than its factorization.

865027668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 865027668 is about 29411.3527060555. The cubic root of 865027668 is about 952.8181022249.

The spelling of 865027668 in words is "eight hundred sixty-five million, twenty-seven thousand, six hundred sixty-eight".