You are running a centos 7.9 big endian kernel and 64bit runtime on a power 8 system. This implies a gcc 4.8 compiler.
It is definitely NOT little endian.
Very very old. Not fully enabled for P8. Barely supports power7.
I forget when rhel stopped supporting 32 bit.
The kernel should support concurrent 32 and 64 apps in separate processes.
You may have to build the full 32bit stack yourself.