16.7834 degrees
$${\mathtt{0.783\: \!4}}{\mathtt{\,\times\,}}{\mathtt{60}} = {\mathtt{47.004}}$$
$${\mathtt{0.004}}{\mathtt{\,\times\,}}{\mathtt{60}} = {\frac{{\mathtt{6}}}{{\mathtt{25}}}} = {\mathtt{0.24}}$$
so
16.7834 degrees = 16 degrees 47 minutes and 0.24 seconds