115303887 has 6 divisors (see below), whose sum is σ = 166550072. Its totient is φ = 76869252.

The previous prime is 115303883. The next prime is 115303889. The reversal of 115303887 is 788303511.

115303887 is a `hidden beast` number, since 11 + 530 + 38 + 87 = 666.

It is not a de Polignac number, because 115303887 - 2² = 115303883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115303883) 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 in 5 ways as a sum of consecutive naturals, for example, 6405763 + ... + 6405780.

Almost surely, 2^115303887 is an apocalyptic number.

115303887 is a deficient number, since it is larger than the sum of its proper divisors (51246185).

115303887 is a wasteful number, since it uses less digits than its factorization.

115303887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12811549 (or 12811546 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 115303887 is about 10737.9647512925. The cubic root of 115303887 is about 486.7223799877.

The spelling of 115303887 in words is "one hundred fifteen million, three hundred three thousand, eight hundred eighty-seven".