503866780 has 24 divisors (see below), whose sum is σ = 1068600960. Its totient is φ = 199550400.

The previous prime is 503866739. The next prime is 503866789. The reversal of 503866780 is 87668305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503866789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122700 + ... + 126739.

It is an arithmetic number, because the mean of its divisors is an integer number (44525040).

Almost surely, 2^503866780 is an apocalyptic number.

It is an amenable number.

503866780 is an abundant number, since it is smaller than the sum of its proper divisors (564734180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503866780 is a wasteful number, since it uses less digits than its factorization.

503866780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249549 (or 249547 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 503866780 is about 22446.9770793307. The cubic root of 503866780 is about 795.7413176754.

The spelling of 503866780 in words is "five hundred three million, eight hundred sixty-six thousand, seven hundred eighty".