204789467 has 4 divisors (see below), whose sum is σ = 215567880. Its totient is φ = 194011056.

The previous prime is 204789461. The next prime is 204789479. The reversal of 204789467 is 764987402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764987402 = 2 ⋅382493701.

It is a cyclic number.

It is not a de Polignac number, because 204789467 - 2¹⁶ = 204723931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204789461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5389178 + ... + 5389215.

It is an arithmetic number, because the mean of its divisors is an integer number (53891970).

Almost surely, 2^204789467 is an apocalyptic number.

204789467 is a deficient number, since it is larger than the sum of its proper divisors (10778413).

204789467 is a wasteful number, since it uses less digits than its factorization.

204789467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10778412.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 204789467 is about 14310.4670433917. The cubic root of 204789467 is about 589.4349344259.

The spelling of 204789467 in words is "two hundred four million, seven hundred eighty-nine thousand, four hundred sixty-seven".