208056773 has 2 divisors, whose sum is σ = 208056774. Its totient is φ = 208056772.

The previous prime is 208056757. The next prime is 208056791. The reversal of 208056773 is 377650802.

It is a happy number.

208056773 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 can be written as a sum of positive squares in only one way, i.e., 144408289 + 63648484 = 12017^2 + 7978^2 .

It is a cyclic number.

It is not a de Polignac number, because 208056773 - 2⁴ = 208056757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208056713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104028386 + 104028387.

It is an arithmetic number, because the mean of its divisors is an integer number (104028387).

Almost surely, 2^208056773 is an apocalyptic number.

It is an amenable number.

208056773 is a deficient number, since it is larger than the sum of its proper divisors (1).

208056773 is an equidigital number, since it uses as much as digits as its factorization.

208056773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 208056773 is about 14424.1732172073. The cubic root of 208056773 is about 592.5531157614.

The spelling of 208056773 in words is "two hundred eight million, fifty-six thousand, seven hundred seventy-three".