499986287 has 2 divisors, whose sum is σ = 499986288. Its totient is φ = 499986286.

The previous prime is 499986281. The next prime is 499986299. The reversal of 499986287 is 782689994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499986287 - 2¹⁰ = 499985263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499986281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249993143 + 249993144.

It is an arithmetic number, because the mean of its divisors is an integer number (249993144).

Almost surely, 2^499986287 is an apocalyptic number.

499986287 is a deficient number, since it is larger than the sum of its proper divisors (1).

499986287 is an equidigital number, since it uses as much as digits as its factorization.

499986287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 62.

The square root of 499986287 is about 22360.3731408937. The cubic root of 499986287 is about 793.6932699076.

The spelling of 499986287 in words is "four hundred ninety-nine million, nine hundred eighty-six thousand, two hundred eighty-seven".