208068811 has 2 divisors, whose sum is σ = 208068812. Its totient is φ = 208068810.

The previous prime is 208068779. The next prime is 208068853. The reversal of 208068811 is 118860802.

208068811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208068811 - 2⁵ = 208068779 is a prime.

It is a super-2 number, since 2×208068811² = 86585260221907442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (208068911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104034405 + 104034406.

It is an arithmetic number, because the mean of its divisors is an integer number (104034406).

Almost surely, 2^208068811 is an apocalyptic number.

208068811 is a deficient number, since it is larger than the sum of its proper divisors (1).

208068811 is an equidigital number, since it uses as much as digits as its factorization.

208068811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 208068811 is about 14424.5904967871. The cubic root of 208068811 is about 592.5645437589.

The spelling of 208068811 in words is "two hundred eight million, sixty-eight thousand, eight hundred eleven".