866945229 has 8 divisors (see below), whose sum is σ = 1156081152. Its totient is φ = 577886400.

The previous prime is 866945207. The next prime is 866945249. The reversal of 866945229 is 922549668.

866945229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 866945229 - 2¹⁵ = 866912461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866945249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16404 + ... + 44754.

It is an arithmetic number, because the mean of its divisors is an integer number (144510144).

Almost surely, 2^866945229 is an apocalyptic number.

It is an amenable number.

866945229 is a deficient number, since it is larger than the sum of its proper divisors (289135923).

866945229 is a wasteful number, since it uses less digits than its factorization.

866945229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38547.

The product of its digits is 1866240, while the sum is 51.

The square root of 866945229 is about 29443.9336536408. The cubic root of 866945229 is about 953.5216398065.

The spelling of 866945229 in words is "eight hundred sixty-six million, nine hundred forty-five thousand, two hundred twenty-nine".