504347477 has 4 divisors (see below), whose sum is σ = 504398496. Its totient is φ = 504296460.

The previous prime is 504347471. The next prime is 504347479. The reversal of 504347477 is 774743405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 774743405 = 5 ⋅154948681.

It is a cyclic number.

It is not a de Polignac number, because 504347477 - 2¹² = 504343381 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 (504347471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5393 + ... + 32214.

It is an arithmetic number, because the mean of its divisors is an integer number (126099624).

Almost surely, 2^504347477 is an apocalyptic number.

It is an amenable number.

504347477 is a deficient number, since it is larger than the sum of its proper divisors (51019).

504347477 is a wasteful number, since it uses less digits than its factorization.

504347477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51018.

The product of its (nonzero) digits is 329280, while the sum is 41.

The square root of 504347477 is about 22457.6819151042. The cubic root of 504347477 is about 795.9942872455.

The spelling of 504347477 in words is "five hundred four million, three hundred forty-seven thousand, four hundred seventy-seven".