208044047 has 2 divisors, whose sum is σ = 208044048. Its totient is φ = 208044046.

The previous prime is 208044041. The next prime is 208044061. The reversal of 208044047 is 740440802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208044047 - 2¹⁰ = 208043023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208044041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104022023 + 104022024.

It is an arithmetic number, because the mean of its divisors is an integer number (104022024).

Almost surely, 2^208044047 is an apocalyptic number.

208044047 is a deficient number, since it is larger than the sum of its proper divisors (1).

208044047 is an equidigital number, since it uses as much as digits as its factorization.

208044047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 208044047 is about 14423.7320759920. The cubic root of 208044047 is about 592.5410341476.

Adding to 208044047 its reverse (740440802), we get a palindrome (948484849).

The spelling of 208044047 in words is "two hundred eight million, forty-four thousand, forty-seven".