204100678 has 8 divisors (see below), whose sum is σ = 306253368. Its totient is φ = 102016224.

The previous prime is 204100651. The next prime is 204100703. The reversal of 204100678 is 876001402.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 8776 + ... + 22027.

It is an arithmetic number, because the mean of its divisors is an integer number (38281671).

Almost surely, 2^204100678 is an apocalyptic number.

204100678 is a deficient number, since it is larger than the sum of its proper divisors (102152690).

204100678 is a wasteful number, since it uses less digits than its factorization.

204100678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34118.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 204100678 is about 14286.3808573060. The cubic root of 204100678 is about 588.7733568987.

The spelling of 204100678 in words is "two hundred four million, one hundred thousand, six hundred seventy-eight".