504147887 has 6 divisors (see below), whose sum is σ = 509884128. Its totient is φ = 498475472.

The previous prime is 504147841. The next prime is 504147899. The reversal of 504147887 is 788741405.

It is a de Polignac number, because none of the positive numbers 2^k-504147887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504144887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23903 + ... + 39744.

It is an arithmetic number, because the mean of its divisors is an integer number (84980688).

Almost surely, 2^504147887 is an apocalyptic number.

504147887 is a deficient number, since it is larger than the sum of its proper divisors (5736241).

504147887 is an frugal number, since it uses more digits than its factorization.

504147887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63825 (or 63736 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 504147887 is about 22453.2377843375. The cubic root of 504147887 is about 795.8892713791.

The spelling of 504147887 in words is "five hundred four million, one hundred forty-seven thousand, eight hundred eighty-seven".