204412324773887 has 4 divisors (see below), whose sum is σ = 207212493606480. Its totient is φ = 201612155941296.

The previous prime is 204412324773851. The next prime is 204412324773889. The reversal of 204412324773887 is 788377423214402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204412324773887 - 2¹⁰ = 204412324772863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204412324773889) 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, 1400084416187 + ... + 1400084416332.

It is an arithmetic number, because the mean of its divisors is an integer number (51803123401620).

Almost surely, 2^{204412324773887} is an apocalyptic number.

204412324773887 is a deficient number, since it is larger than the sum of its proper divisors (2800168832593).

204412324773887 is an equidigital number, since it uses as much as digits as its factorization.

204412324773887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800168832592.

The product of its (nonzero) digits is 101154816, while the sum is 62.

The spelling of 204412324773887 in words is "two hundred four trillion, four hundred twelve billion, three hundred twenty-four million, seven hundred seventy-three thousand, eight hundred eighty-seven".