866796012 has 36 divisors (see below), whose sum is σ = 2248042440. Its totient is φ = 288830016.

The previous prime is 866796011. The next prime is 866796023. The reversal of 866796012 is 210697668.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

866796012 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 Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (866796011) 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, 304548 + ... + 307380.

Almost surely, 2^866796012 is an apocalyptic number.

It is an amenable number.

866796012 is an abundant number, since it is smaller than the sum of its proper divisors (1381246428).

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

866796012 is an equidigital number, since it uses as much as digits as its factorization.

866796012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679 (or 2838 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 866796012 is about 29441.3996270558. The cubic root of 866796012 is about 953.4669305440.

The spelling of 866796012 in words is "eight hundred sixty-six million, seven hundred ninety-six thousand, twelve".