115885947 has 16 divisors (see below), whose sum is σ = 157514112. Its totient is φ = 75768000.

The previous prime is 115885919. The next prime is 115885949. The reversal of 115885947 is 749588511.

It is a happy number.

It is not a de Polignac number, because 115885947 - 2²³ = 107497339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115885896 and 115885905.

It is not an unprimeable number, because it can be changed into a prime (115885949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49303 + ... + 51599.

It is an arithmetic number, because the mean of its divisors is an integer number (9844632).

Almost surely, 2^115885947 is an apocalyptic number.

115885947 is a deficient number, since it is larger than the sum of its proper divisors (41628165).

115885947 is a wasteful number, since it uses less digits than its factorization.

115885947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618.

The product of its digits is 403200, while the sum is 48.

The square root of 115885947 is about 10765.0335345506. The cubic root of 115885947 is about 487.5400056584.

The spelling of 115885947 in words is "one hundred fifteen million, eight hundred eighty-five thousand, nine hundred forty-seven".