499986667 has 2 divisors, whose sum is σ = 499986668. Its totient is φ = 499986666.

The previous prime is 499986659. The next prime is 499986713. The reversal of 499986667 is 766689994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499986667 - 2³ = 499986659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499986599 and 499986608.

It is not a weakly prime, because it can be changed into another prime (499986607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249993333 + 249993334.

It is an arithmetic number, because the mean of its divisors is an integer number (249993334).

Almost surely, 2^499986667 is an apocalyptic number.

499986667 is a deficient number, since it is larger than the sum of its proper divisors (1).

499986667 is an equidigital number, since it uses as much as digits as its factorization.

499986667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35271936, while the sum is 64.

The square root of 499986667 is about 22360.3816380669. The cubic root of 499986667 is about 793.6934709820.

It can be divided in two parts, 49998 and 6667, that added together give a palindrome (56665).

The spelling of 499986667 in words is "four hundred ninety-nine million, nine hundred eighty-six thousand, six hundred sixty-seven".