500000047 has 4 divisors (see below), whose sum is σ = 500047216. Its totient is φ = 499952880.

The previous prime is 500000041. The next prime is 500000057. The reversal of 500000047 is 740000005.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500000047 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 (500000041) 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, 547 + ... + 31627.

It is an arithmetic number, because the mean of its divisors is an integer number (125011804).

Almost surely, 2^500000047 is an apocalyptic number.

500000047 is a deficient number, since it is larger than the sum of its proper divisors (47169).

500000047 is a wasteful number, since it uses less digits than its factorization.

500000047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47168.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 500000047 is about 22360.6808259498. The cubic root of 500000047 is about 793.7005508534.

The spelling of 500000047 in words is "five hundred million, forty-seven", and thus it is an aban number.