208020887 has 2 divisors, whose sum is σ = 208020888. Its totient is φ = 208020886.

The previous prime is 208020877. The next prime is 208020889. The reversal of 208020887 is 788020802.

208020887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208020887 - 2¹⁰ = 208019863 is a prime.

Together with 208020889, 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 (208020889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104010443 + 104010444.

It is an arithmetic number, because the mean of its divisors is an integer number (104010444).

Almost surely, 2^208020887 is an apocalyptic number.

208020887 is a deficient number, since it is larger than the sum of its proper divisors (1).

208020887 is an equidigital number, since it uses as much as digits as its factorization.

208020887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 208020887 is about 14422.9292101154. The cubic root of 208020887 is about 592.5190455995.

The spelling of 208020887 in words is "two hundred eight million, twenty thousand, eight hundred eighty-seven".