204092985578 has 8 divisors (see below), whose sum is σ = 308017635168. Its totient is φ = 101420440524.

The previous prime is 204092985559. The next prime is 204092985623. The reversal of 204092985578 is 875589290402.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313025726 + ... + 313026377.

It is an arithmetic number, because the mean of its divisors is an integer number (38502204396).

Almost surely, 2^204092985578 is an apocalyptic number.

204092985578 is a deficient number, since it is larger than the sum of its proper divisors (103924649590).

204092985578 is a wasteful number, since it uses less digits than its factorization.

204092985578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626052268.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 204092985578 in words is "two hundred four billion, ninety-two million, nine hundred eighty-five thousand, five hundred seventy-eight".