115204887 has 12 divisors (see below), whose sum is σ = 190179600. Its totient is φ = 65831328.

The previous prime is 115204883. The next prime is 115204889. The reversal of 115204887 is 788402511.

115204887 is a `hidden beast` number, since 11 + 520 + 48 + 87 = 666.

It is not a de Polignac number, because 115204887 - 2² = 115204883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115204883) 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 11 ways as a sum of consecutive naturals, for example, 914262 + ... + 914387.

It is an arithmetic number, because the mean of its divisors is an integer number (15848300).

Almost surely, 2^115204887 is an apocalyptic number.

115204887 is a deficient number, since it is larger than the sum of its proper divisors (74974713).

115204887 is a wasteful number, since it uses less digits than its factorization.

115204887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828662 (or 1828659 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 115204887 is about 10733.3539492556. The cubic root of 115204887 is about 486.5830400396.

The spelling of 115204887 in words is "one hundred fifteen million, two hundred four thousand, eight hundred eighty-seven".