509580478 has 16 divisors (see below), whose sum is σ = 849594096. Its totient is φ = 227256640.

The previous prime is 509580473. The next prime is 509580509. The reversal of 509580478 is 874085905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509580473) 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 7 ways as a sum of consecutive naturals, for example, 217351 + ... + 219682.

It is an arithmetic number, because the mean of its divisors is an integer number (53099631).

Almost surely, 2^509580478 is an apocalyptic number.

509580478 is a deficient number, since it is larger than the sum of its proper divisors (340013618).

509580478 is a wasteful number, since it uses less digits than its factorization.

509580478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437099.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 509580478 is about 22573.8892971504. The cubic root of 509580478 is about 798.7378420355.

The spelling of 509580478 in words is "five hundred nine million, five hundred eighty thousand, four hundred seventy-eight".