204768139708858 has 32 divisors (see below), whose sum is σ = 335161717532928. Its totient is φ = 93052379160000.

The previous prime is 204768139708793. The next prime is 204768139708921. The reversal of 204768139708858 is 858807931867402.

204768139708858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3277465116 + ... + 3277527592.

It is an arithmetic number, because the mean of its divisors is an integer number (10473803672904).

It is a 1-persistent number, because it is pandigital, but 2⋅204768139708858 = 409536279417716 is not.

Almost surely, 2^{204768139708858} is an apocalyptic number.

204768139708858 is a deficient number, since it is larger than the sum of its proper divisors (130393577824070).

204768139708858 is a wasteful number, since it uses less digits than its factorization.

204768139708858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98598.

The product of its (nonzero) digits is 1300561920, while the sum is 76.

The spelling of 204768139708858 in words is "two hundred four trillion, seven hundred sixty-eight billion, one hundred thirty-nine million, seven hundred eight thousand, eight hundred fifty-eight".