208368512676 has 27 divisors (see below), whose sum is σ = 526716219211. Its totient is φ = 69455257944.

The previous prime is 208368512669. The next prime is 208368512699. The reversal of 208368512676 is 676215863802.

The square root of 208368512676 is 456474.

It is a perfect power (a square), and thus also a powerful number.

208368512676 is a `hidden beast` number, since 2 + 0 + 8 + 3 + 68 + 512 + 67 + 6 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2700805 + ... + 2776883.

Almost surely, 2^208368512676 is an apocalyptic number.

208368512676 is the 456474-th square number.

It is an amenable number.

208368512676 is an abundant number, since it is smaller than the sum of its proper divisors (318347706535).

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

208368512676 is an frugal number, since it uses more digits than its factorization.

208368512676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152168 (or 76084 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 208368512676 in words is "two hundred eight billion, three hundred sixty-eight million, five hundred twelve thousand, six hundred seventy-six".