115799287 has 2 divisors, whose sum is σ = 115799288. Its totient is φ = 115799286.

The previous prime is 115799267. The next prime is 115799339. The reversal of 115799287 is 782997511.

It is a weak prime.

It is an emirp because it is prime and its reverse (782997511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115799287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115799287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115799207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57899643 + 57899644.

It is an arithmetic number, because the mean of its divisors is an integer number (57899644).

Almost surely, 2^115799287 is an apocalyptic number.

115799287 is a deficient number, since it is larger than the sum of its proper divisors (1).

115799287 is an equidigital number, since it uses as much as digits as its factorization.

115799287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 49.

The square root of 115799287 is about 10761.0077130351. The cubic root of 115799287 is about 487.4184471951.

The spelling of 115799287 in words is "one hundred fifteen million, seven hundred ninety-nine thousand, two hundred eighty-seven".