208680683 has 2 divisors, whose sum is σ = 208680684. Its totient is φ = 208680682.

The previous prime is 208680673. The next prime is 208680691. The reversal of 208680683 is 386086802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208680683 - 2⁸ = 208680427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 208680683.

It is not a weakly prime, because it can be changed into another prime (208680653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104340341 + 104340342.

It is an arithmetic number, because the mean of its divisors is an integer number (104340342).

Almost surely, 2^208680683 is an apocalyptic number.

208680683 is a deficient number, since it is larger than the sum of its proper divisors (1).

208680683 is an equidigital number, since it uses as much as digits as its factorization.

208680683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 208680683 is about 14445.7842639297. The cubic root of 208680683 is about 593.1448306700.

The spelling of 208680683 in words is "two hundred eight million, six hundred eighty thousand, six hundred eighty-three".