204617104047 has 20 divisors (see below), whose sum is σ = 307033298880. Its totient is φ = 135799680384.

The previous prime is 204617103967. The next prime is 204617104051. The reversal of 204617104047 is 740401716402.

It is a happy number.

204617104047 is a `hidden beast` number, since 20 + 4 + 617 + 10 + 4 + 0 + 4 + 7 = 666.

It is not a de Polignac number, because 204617104047 - 2¹⁴ = 204617087663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204617604047) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5645922 + ... + 5682047.

It is an arithmetic number, because the mean of its divisors is an integer number (15351664944).

Almost surely, 2^204617104047 is an apocalyptic number.

204617104047 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

204617104047 is a deficient number, since it is larger than the sum of its proper divisors (102416194833).

204617104047 is a wasteful number, since it uses less digits than its factorization.

204617104047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328204 (or 11328195 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 204617104047 in words is "two hundred four billion, six hundred seventeen million, one hundred four thousand, forty-seven".