500555504987 has 2 divisors, whose sum is σ = 500555504988. Its totient is φ = 500555504986.

The previous prime is 500555504909. The next prime is 500555504993. The reversal of 500555504987 is 789405555005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 500555504987 - 2⁸ = 500555504731 is a prime.

It is not a weakly prime, because it can be changed into another prime (500555584987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250277752493 + 250277752494.

It is an arithmetic number, because the mean of its divisors is an integer number (250277752494).

Almost surely, 2^500555504987 is an apocalyptic number.

500555504987 is a deficient number, since it is larger than the sum of its proper divisors (1).

500555504987 is an equidigital number, since it uses as much as digits as its factorization.

500555504987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300000, while the sum is 53.

The spelling of 500555504987 in words is "five hundred billion, five hundred fifty-five million, five hundred four thousand, nine hundred eighty-seven".