866112200 has 36 divisors (see below), whose sum is σ = 2014678995. Its totient is φ = 346278400.

The previous prime is 866112199. The next prime is 866112241. The reversal of 866112200 is 2211668.

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.

It can be written as a sum of positive squares in 5 ways, for example, as 214739716 + 651372484 = 14654^2 + 25522^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20810.

It is a self number, because there is not a number n which added to its sum of digits gives 866112200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 415160 + ... + 417240.

Almost surely, 2^866112200 is an apocalyptic number.

It is an amenable number.

866112200 is an abundant number, since it is smaller than the sum of its proper divisors (1148566795).

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

866112200 is an equidigital number, since it uses as much as digits as its factorization.

866112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 866112200 is about 29429.7842329841. The cubic root of 866112200 is about 953.2161357986.

Multiplying 866112200 by its product of nonzero digits (1152), we get a square (997761254400 = 998880²).

Adding to 866112200 its reverse (2211668), we get a palindrome (868323868).

The spelling of 866112200 in words is "eight hundred sixty-six million, one hundred twelve thousand, two hundred".