115797887 has 2 divisors, whose sum is σ = 115797888. Its totient is φ = 115797886.

The previous prime is 115797821. The next prime is 115797889. The reversal of 115797887 is 788797511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115797887 - 2¹⁸ = 115535743 is a prime.

Together with 115797889, 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 (115797889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57898943 + 57898944.

It is an arithmetic number, because the mean of its divisors is an integer number (57898944).

Almost surely, 2^115797887 is an apocalyptic number.

115797887 is a deficient number, since it is larger than the sum of its proper divisors (1).

115797887 is an equidigital number, since it uses as much as digits as its factorization.

115797887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 53.

The square root of 115797887 is about 10760.9426631685. The cubic root of 115797887 is about 487.4164829097.

The spelling of 115797887 in words is "one hundred fifteen million, seven hundred ninety-seven thousand, eight hundred eighty-seven".