211704004204 has 96 divisors (see below), whose sum is σ = 478329384960. Its totient is φ = 79554182400.

The previous prime is 211704004181. The next prime is 211704004249. The reversal of 211704004204 is 402400407112.

211704004204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8839654 + ... + 8863570.

It is an arithmetic number, because the mean of its divisors is an integer number (4982597760).

Almost surely, 2^211704004204 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 211704004204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239164692480).

211704004204 is an abundant number, since it is smaller than the sum of its proper divisors (266625380756).

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

211704004204 is a wasteful number, since it uses less digits than its factorization.

211704004204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24959 (or 24957 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The spelling of 211704004204 in words is "two hundred eleven billion, seven hundred four million, four thousand, two hundred four".