115578287 has 8 divisors (see below), whose sum is σ = 127049472. Its totient is φ = 104267800.

The previous prime is 115578277. The next prime is 115578301. The reversal of 115578287 is 782875511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115578287 - 2⁸ = 115578031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115578277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38663 + ... + 41544.

It is an arithmetic number, because the mean of its divisors is an integer number (15881184).

Almost surely, 2^115578287 is an apocalyptic number.

115578287 is a deficient number, since it is larger than the sum of its proper divisors (11471185).

115578287 is a wasteful number, since it uses less digits than its factorization.

115578287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80349.

The product of its digits is 156800, while the sum is 44.

The square root of 115578287 is about 10750.7342539940. The cubic root of 115578287 is about 487.1081744839.

The spelling of 115578287 in words is "one hundred fifteen million, five hundred seventy-eight thousand, two hundred eighty-seven".