868002066 has 12 divisors (see below), whose sum is σ = 1880671182. Its totient is φ = 289334016.

The previous prime is 868002043. The next prime is 868002067. The reversal of 868002066 is 660200868.

868002066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 828576225 + 39425841 = 28785^2 + 6279^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 868002066.

It is not an unprimeable number, because it can be changed into a prime (868002067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24111151 + ... + 24111186.

Almost surely, 2^868002066 is an apocalyptic number.

868002066 is an abundant number, since it is smaller than the sum of its proper divisors (1012669116).

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

868002066 is a wasteful number, since it uses less digits than its factorization.

868002066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48222345 (or 48222342 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 868002066 is about 29461.8747875963. The cubic root of 868002066 is about 953.9089413767.

The spelling of 868002066 in words is "eight hundred sixty-eight million, two thousand, sixty-six".