499975667 has 2 divisors, whose sum is σ = 499975668. Its totient is φ = 499975666.

The previous prime is 499975579. The next prime is 499975669. The reversal of 499975667 is 766579994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499975667 - 2¹⁸ = 499713523 is a prime.

Together with 499975669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (499975669) 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, 249987833 + 249987834.

It is an arithmetic number, because the mean of its divisors is an integer number (249987834).

Almost surely, 2^499975667 is an apocalyptic number.

499975667 is a deficient number, since it is larger than the sum of its proper divisors (1).

499975667 is an equidigital number, since it uses as much as digits as its factorization.

499975667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25719120, while the sum is 62.

The square root of 499975667 is about 22360.1356659569. The cubic root of 499975667 is about 793.6876503653.

The spelling of 499975667 in words is "four hundred ninety-nine million, nine hundred seventy-five thousand, six hundred sixty-seven".