500500987 has 4 divisors (see below), whose sum is σ = 572001136. Its totient is φ = 429000840.

The previous prime is 500500967. The next prime is 500500991. The reversal of 500500987 is 789005005.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500500987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (500500967) 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, 35750064 + ... + 35750077.

It is an arithmetic number, because the mean of its divisors is an integer number (143000284).

Almost surely, 2^500500987 is an apocalyptic number.

500500987 is a deficient number, since it is larger than the sum of its proper divisors (71500149).

500500987 is an equidigital number, since it uses as much as digits as its factorization.

500500987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71500148.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 500500987 is about 22371.8793801504. The cubic root of 500500987 is about 793.9655265928.

The spelling of 500500987 in words is "five hundred million, five hundred thousand, nine hundred eighty-seven".