499908587 has 4 divisors (see below), whose sum is σ = 500127216. Its totient is φ = 499689960.

The previous prime is 499908581. The next prime is 499908589. The reversal of 499908587 is 785809994.

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 499908587 - 2¹⁰ = 499907563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499908581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105848 + ... + 110469.

It is an arithmetic number, because the mean of its divisors is an integer number (125031804).

Almost surely, 2^499908587 is an apocalyptic number.

499908587 is a deficient number, since it is larger than the sum of its proper divisors (218629).

499908587 is a wasteful number, since it uses less digits than its factorization.

499908587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218628.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The square root of 499908587 is about 22358.6356247424. The cubic root of 499908587 is about 793.6521533386.

The spelling of 499908587 in words is "four hundred ninety-nine million, nine hundred eight thousand, five hundred eighty-seven".