204878700 has 216 divisors, whose sum is σ = 714798000. Its totient is φ = 50319360.

The previous prime is 204878693. The next prime is 204878701. The reversal of 204878700 is 7878402.

204878700 is digitally balanced in base 2 and base 3, because in such bases 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 (36).

It is not an unprimeable number, because it can be changed into a prime (204878701) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 456076 + ... + 456524.

It is an arithmetic number, because the mean of its divisors is an integer number (3309250).

Almost surely, 2^204878700 is an apocalyptic number.

204878700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204878700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357399000).

204878700 is an abundant number, since it is smaller than the sum of its proper divisors (509919300).

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

204878700 is a wasteful number, since it uses less digits than its factorization.

204878700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 204878700 is about 14313.5844567320. The cubic root of 204878700 is about 589.5205335712.

The spelling of 204878700 in words is "two hundred four million, eight hundred seventy-eight thousand, seven hundred".