115946687 has 4 divisors (see below), whose sum is σ = 117094776. Its totient is φ = 114798600.

The previous prime is 115946653. The next prime is 115946693. The reversal of 115946687 is 786649511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115946687 - 2⁸ = 115946431 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 (115946587) 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 3 ways as a sum of consecutive naturals, for example, 573893 + ... + 574094.

It is an arithmetic number, because the mean of its divisors is an integer number (29273694).

Almost surely, 2^115946687 is an apocalyptic number.

115946687 is a deficient number, since it is larger than the sum of its proper divisors (1148089).

115946687 is a wasteful number, since it uses less digits than its factorization.

115946687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148088.

The product of its digits is 362880, while the sum is 47.

The square root of 115946687 is about 10767.8543359390. The cubic root of 115946687 is about 487.6251698750.

It can be divided in two parts, 11594 and 6687, that added together give a palindrome (18281).

The spelling of 115946687 in words is "one hundred fifteen million, nine hundred forty-six thousand, six hundred eighty-seven".