208056887 has 2 divisors, whose sum is σ = 208056888. Its totient is φ = 208056886.

The previous prime is 208056881. The next prime is 208056889. The reversal of 208056887 is 788650802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208056887 - 2¹⁰ = 208055863 is a prime.

Together with 208056889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208056881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104028443 + 104028444.

It is an arithmetic number, because the mean of its divisors is an integer number (104028444).

Almost surely, 2^208056887 is an apocalyptic number.

208056887 is a deficient number, since it is larger than the sum of its proper divisors (1).

208056887 is an equidigital number, since it uses as much as digits as its factorization.

208056887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 208056887 is about 14424.1771689064. The cubic root of 208056887 is about 592.5532239867.

The spelling of 208056887 in words is "two hundred eight million, fifty-six thousand, eight hundred eighty-seven".