204730699078 has 4 divisors (see below), whose sum is σ = 307096048620. Its totient is φ = 102365349538.

The previous prime is 204730699073. The next prime is 204730699081. The reversal of 204730699078 is 870996037402.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204730699073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51182674768 + ... + 51182674771.

It is an arithmetic number, because the mean of its divisors is an integer number (76774012155).

Almost surely, 2^204730699078 is an apocalyptic number.

204730699078 is a deficient number, since it is larger than the sum of its proper divisors (102365349542).

204730699078 is a wasteful number, since it uses less digits than its factorization.

204730699078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102365349541.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 204730699078 in words is "two hundred four billion, seven hundred thirty million, six hundred ninety-nine thousand, seventy-eight".