204279690768 has 40 divisors (see below), whose sum is σ = 555497407200. Its totient is φ = 64509375744.

The previous prime is 204279690763. The next prime is 204279690773. The reversal of 204279690768 is 867096972402.

It is an interprime number because it is at equal distance from previous prime (204279690763) and next prime (204279690773).

It is not an unprimeable number, because it can be changed into a prime (204279690763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111994533 + ... + 111996356.

It is an arithmetic number, because the mean of its divisors is an integer number (13887435180).

Almost surely, 2^204279690768 is an apocalyptic number.

It is an amenable number.

204279690768 is an abundant number, since it is smaller than the sum of its proper divisors (351217716432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204279690768 is a wasteful number, since it uses less digits than its factorization.

204279690768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223990919 (or 223990913 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 204279690768 in words is "two hundred four billion, two hundred seventy-nine million, six hundred ninety thousand, seven hundred sixty-eight".