  The spherically symmetric deformation of the Schwarzschild solution owing to
the quantum corrections to gravity is known as Kazakov-Solodukhin black-hole
metric. Neglecting non-spherical deformations of the background the problem was
solved non-perturbatively. Here we analyze the basic characteristics of this
geometry, such as: quasinormal modes and grey-body factors of fields of various
spin and shadow cast by this black hole. The WKB approach and time-domain
integration method, which we used for calculation of quasinormal modes, are in
a good concordance. The analytical formula for quasinormal modes is deduced in
the eikonal regime. The radius of shadow is decreasing when the quantum
deformation is turned on.
