504428087 has 2 divisors, whose sum is σ = 504428088. Its totient is φ = 504428086.

The previous prime is 504428069. The next prime is 504428149. The reversal of 504428087 is 780824405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504428087 - 2¹⁸ = 504165943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 504428087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504418087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252214043 + 252214044.

It is an arithmetic number, because the mean of its divisors is an integer number (252214044).

Almost surely, 2^504428087 is an apocalyptic number.

504428087 is a deficient number, since it is larger than the sum of its proper divisors (1).

504428087 is an equidigital number, since it uses as much as digits as its factorization.

504428087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 504428087 is about 22459.4765522262. The cubic root of 504428087 is about 796.0366929838.

The spelling of 504428087 in words is "five hundred four million, four hundred twenty-eight thousand, eighty-seven".