505880764 has 12 divisors (see below), whose sum is σ = 937367424. Its totient is φ = 238061504.

The previous prime is 505880759. The next prime is 505880779. The reversal of 505880764 is 467088505.

It is a self number, because there is not a number n which added to its sum of digits gives 505880764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3719644 + ... + 3719779.

It is an arithmetic number, because the mean of its divisors is an integer number (78113952).

Almost surely, 2^505880764 is an apocalyptic number.

It is an amenable number.

505880764 is a deficient number, since it is larger than the sum of its proper divisors (431486660).

505880764 is a wasteful number, since it uses less digits than its factorization.

505880764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7439444 (or 7439442 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 505880764 is about 22491.7932588756. The cubic root of 505880764 is about 796.8001159087.

The spelling of 505880764 in words is "five hundred five million, eight hundred eighty thousand, seven hundred sixty-four".