CREATE TABLE table_17979 ("Member countries" TEXT, "Population" FLOAT, "Area  ( km\\u00b2 ) " FLOAT, "GDP  ( billion US$ ) " TEXT, "GDP per capita  ( US$ ) " FLOAT)

Name the total number of area for 775927 population
SELECT COUNT("Area (km\u00b2)") FROM table_17979 WHERE "Population" = '775927'
SELECT COUNT("Area (km\u00b2)") FROM "table_17979" WHERE "Population" = '775927'