504404687 has 2 divisors, whose sum is σ = 504404688. Its totient is φ = 504404686.

The previous prime is 504404653. The next prime is 504404707. The reversal of 504404687 is 786404405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 504404687 - 2⁸ = 504404431 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 504404687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504404617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252202343 + 252202344.

It is an arithmetic number, because the mean of its divisors is an integer number (252202344).

Almost surely, 2^504404687 is an apocalyptic number.

504404687 is a deficient number, since it is larger than the sum of its proper divisors (1).

504404687 is an equidigital number, since it uses as much as digits as its factorization.

504404687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 504404687 is about 22458.9556079529. The cubic root of 504404687 is about 796.0243836331.

The spelling of 504404687 in words is "five hundred four million, four hundred four thousand, six hundred eighty-seven".