204854873315 has 8 divisors (see below), whose sum is σ = 245941217808. Its totient is φ = 163806985440.

The previous prime is 204854873299. The next prime is 204854873357. The reversal of 204854873315 is 513378458402.

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

It is not a de Polignac number, because 204854873315 - 2⁴ = 204854873299 is a prime.

It is a super-3 number, since 3×204854873315³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9602432 + ... + 9623741.

It is an arithmetic number, because the mean of its divisors is an integer number (30742652226).

Almost surely, 2^204854873315 is an apocalyptic number.

204854873315 is a deficient number, since it is larger than the sum of its proper divisors (41086344493).

204854873315 is a wasteful number, since it uses less digits than its factorization.

204854873315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19228309.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 204854873315 in words is "two hundred four billion, eight hundred fifty-four million, eight hundred seventy-three thousand, three hundred fifteen".