204777597794 has 32 divisors (see below), whose sum is σ = 382981758336. Its totient is φ = 79779093120.

The previous prime is 204777597781. The next prime is 204777597809. The reversal of 204777597794 is 497795777402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5215982 + ... + 5255094.

It is an arithmetic number, because the mean of its divisors is an integer number (11968179948).

Almost surely, 2^204777597794 is an apocalyptic number.

204777597794 is a deficient number, since it is larger than the sum of its proper divisors (178204160542).

204777597794 is a wasteful number, since it uses less digits than its factorization.

204777597794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73130.

The product of its (nonzero) digits is 217818720, while the sum is 68.

The spelling of 204777597794 in words is "two hundred four billion, seven hundred seventy-seven million, five hundred ninety-seven thousand, seven hundred ninety-four".