866442052 has 12 divisors (see below), whose sum is σ = 1732884160. Its totient is φ = 371332296.

The previous prime is 866442029. The next prime is 866442067. The reversal of 866442052 is 250244668.

866442052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

866442052 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15472152 + ... + 15472207.

Almost surely, 2^866442052 is an apocalyptic number.

It is an amenable number.

866442052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

866442052 is a wasteful number, since it uses less digits than its factorization.

866442052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30944370 (or 30944368 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 866442052 is about 29435.3877501215. The cubic root of 866442052 is about 953.3371287225.

The spelling of 866442052 in words is "eight hundred sixty-six million, four hundred forty-two thousand, fifty-two".