503078864 has 20 divisors (see below), whose sum is σ = 975076356. Its totient is φ = 251446272.

The previous prime is 503078833. The next prime is 503078867. The reversal of 503078864 is 468870305.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65934400 + 437144464 = 8120^2 + 20908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503078867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64352 + ... + 71744.

Almost surely, 2^503078864 is an apocalyptic number.

It is an amenable number.

503078864 is a deficient number, since it is larger than the sum of its proper divisors (471997492).

503078864 is a wasteful number, since it uses less digits than its factorization.

503078864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11654 (or 11648 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 503078864 is about 22429.4196090759. The cubic root of 503078864 is about 795.3263241131.

The spelling of 503078864 in words is "five hundred three million, seventy-eight thousand, eight hundred sixty-four".