117498287 has 2 divisors, whose sum is σ = 117498288. Its totient is φ = 117498286.

The previous prime is 117498257. The next prime is 117498289. The reversal of 117498287 is 782894711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117498287 - 2¹⁶ = 117432751 is a prime.

Together with 117498289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117498289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58749143 + 58749144.

It is an arithmetic number, because the mean of its divisors is an integer number (58749144).

Almost surely, 2^117498287 is an apocalyptic number.

117498287 is a deficient number, since it is larger than the sum of its proper divisors (1).

117498287 is an equidigital number, since it uses as much as digits as its factorization.

117498287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 47.

The square root of 117498287 is about 10839.6626792534. The cubic root of 117498287 is about 489.7906741604.

The spelling of 117498287 in words is "one hundred seventeen million, four hundred ninety-eight thousand, two hundred eighty-seven".