500016687 has 4 divisors (see below), whose sum is σ = 666688920. Its totient is φ = 333344456.

The previous prime is 500016679. The next prime is 500016697. The reversal of 500016687 is 786610005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 500016687 - 2³ = 500016679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500016677) 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, 83336112 + ... + 83336117.

It is an arithmetic number, because the mean of its divisors is an integer number (166672230).

Almost surely, 2^500016687 is an apocalyptic number.

500016687 is a deficient number, since it is larger than the sum of its proper divisors (166672233).

500016687 is a wasteful number, since it uses less digits than its factorization.

500016687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166672232.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 500016687 is about 22361.0529045481. The cubic root of 500016687 is about 793.7093555397.

The spelling of 500016687 in words is "five hundred million, sixteen thousand, six hundred eighty-seven".