5775

Number
$5775$ (five thousand, seven hundred and seventy-five) is:
 * $3 \times 5^2 \times 7 \times 11$


 * The $9$th odd abundant number after $945$, $1575$, $2205$, $2835$, $3465$, $4095$, $4725$, $5355$:
 * $\map {\sigma_1} {5775} - 5775 = 6129 > 5775$