499888117 has 2 divisors, whose sum is σ = 499888118. Its totient is φ = 499888116.

The previous prime is 499888097. The next prime is 499888121. The reversal of 499888117 is 711888994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482197681 + 17690436 = 21959^2 + 4206^2 .

It is a cyclic number.

It is not a de Polignac number, because 499888117 - 2¹¹ = 499886069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499888127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249944058 + 249944059.

It is an arithmetic number, because the mean of its divisors is an integer number (249944059).

Almost surely, 2^499888117 is an apocalyptic number.

499888117 is the 12909-th hex number.

It is an amenable number.

499888117 is a deficient number, since it is larger than the sum of its proper divisors (1).

499888117 is an equidigital number, since it uses as much as digits as its factorization.

499888117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 55.

The square root of 499888117 is about 22358.1778550936. The cubic root of 499888117 is about 793.6413205039.

It can be divided in two parts, 499888 and 117, that added together give a palindrome (500005).

The spelling of 499888117 in words is "four hundred ninety-nine million, eight hundred eighty-eight thousand, one hundred seventeen".