115945947 has 24 divisors (see below), whose sum is σ = 180848304. Its totient is φ = 71158464.

The previous prime is 115945897. The next prime is 115945969. The reversal of 115945947 is 749549511.

115945947 is a `hidden beast` number, since 1 + 1 + 59 + 4 + 594 + 7 = 666.

It is not a de Polignac number, because 115945947 - 2²⁰ = 114897371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115945987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50713 + ... + 52949.

It is an arithmetic number, because the mean of its divisors is an integer number (7535346).

Almost surely, 2^115945947 is an apocalyptic number.

115945947 is a deficient number, since it is larger than the sum of its proper divisors (64902357).

115945947 is a wasteful number, since it uses less digits than its factorization.

115945947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699 (or 2696 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 115945947 is about 10767.8199743495. The cubic root of 115945947 is about 487.6241324919.

The spelling of 115945947 in words is "one hundred fifteen million, nine hundred forty-five thousand, nine hundred forty-seven".