216277204 has 48 divisors (see below), whose sum is σ = 459035136. Its totient is φ = 87811200.

The previous prime is 216277199. The next prime is 216277223. The reversal of 216277204 is 402772612.

216277204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11634 + ... + 23830.

It is an arithmetic number, because the mean of its divisors is an integer number (9563232).

Almost surely, 2^216277204 is an apocalyptic number.

It is an amenable number.

216277204 is an abundant number, since it is smaller than the sum of its proper divisors (242757932).

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

216277204 is a wasteful number, since it uses less digits than its factorization.

216277204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12256 (or 12254 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 216277204 is about 14706.3661045141. The cubic root of 216277204 is about 600.2565606491.

The spelling of 216277204 in words is "two hundred sixteen million, two hundred seventy-seven thousand, two hundred four".