509887016 has 32 divisors (see below), whose sum is σ = 965945640. Its totient is φ = 252315648.

The previous prime is 509887003. The next prime is 509887031. The reversal of 509887016 is 610788905.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 398162116 + 111724900 = 19954^2 + 10570^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392480 + ... + 393776.

Almost surely, 2^509887016 is an apocalyptic number.

It is an amenable number.

509887016 is a deficient number, since it is larger than the sum of its proper divisors (456058624).

509887016 is a wasteful number, since it uses less digits than its factorization.

509887016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 509887016 is about 22580.6779349071. The cubic root of 509887016 is about 798.8979701097.

The spelling of 509887016 in words is "five hundred nine million, eight hundred eighty-seven thousand, sixteen".