115908687 has 6 divisors (see below), whose sum is σ = 167423672. Its totient is φ = 77272452.

The previous prime is 115908673. The next prime is 115908701. The reversal of 115908687 is 786809511.

It is an interprime number because it is at equal distance from previous prime (115908673) and next prime (115908701).

It is not a de Polignac number, because 115908687 - 2⁶ = 115908623 is a prime.

It is a super-3 number, since 3×115908687³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115908647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6439363 + ... + 6439380.

Almost surely, 2^115908687 is an apocalyptic number.

115908687 is a deficient number, since it is larger than the sum of its proper divisors (51514985).

115908687 is a wasteful number, since it uses less digits than its factorization.

115908687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878749 (or 12878746 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 115908687 is about 10766.0896801021. The cubic root of 115908687 is about 487.5718931447.

The spelling of 115908687 in words is "one hundred fifteen million, nine hundred eight thousand, six hundred eighty-seven".