866935900 has 72 divisors (see below), whose sum is σ = 1977390800. Its totient is φ = 329495040.

The previous prime is 866935897. The next prime is 866935907. The reversal of 866935900 is 9539668.

866935900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866935907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156376 + ... + 161824.

Almost surely, 2^866935900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 866935900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988695400).

866935900 is an abundant number, since it is smaller than the sum of its proper divisors (1110454900).

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

866935900 is a wasteful number, since it uses less digits than its factorization.

866935900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543 (or 5536 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 866935900 is about 29443.7752334853. The cubic root of 866935900 is about 953.5182195845.

The spelling of 866935900 in words is "eight hundred sixty-six million, nine hundred thirty-five thousand, nine hundred".