208940339596776 has 32 divisors (see below), whose sum is σ = 522352480473600. Its totient is φ = 69646562334720.

The previous prime is 208940339596727. The next prime is 208940339596783. The reversal of 208940339596776 is 677695933049802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5656921 + ... + 21210408.

It is an arithmetic number, because the mean of its divisors is an integer number (16323515014800).

Almost surely, 2^{208940339596776} is an apocalyptic number.

It is an amenable number.

208940339596776 is an abundant number, since it is smaller than the sum of its proper divisors (313412140876824).

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

208940339596776 is a wasteful number, since it uses less digits than its factorization.

208940339596776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27191369 (or 27191365 counting only the distinct ones).

The product of its (nonzero) digits is 3703553280, while the sum is 78.

The spelling of 208940339596776 in words is "two hundred eight trillion, nine hundred forty billion, three hundred thirty-nine million, five hundred ninety-six thousand, seven hundred seventy-six".