47915115 has 16 divisors (see below), whose sum is σ = 78448128. Its totient is φ = 24960096.

The previous prime is 47915113. The next prime is 47915143. The reversal of 47915115 is 51151974.

47915115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47915115 - 2¹ = 47915113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47915113) 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 15 ways as a sum of consecutive naturals, for example, 36499 + ... + 37788.

It is an arithmetic number, because the mean of its divisors is an integer number (4903008).

Almost surely, 2^47915115 is an apocalyptic number.

47915115 is a deficient number, since it is larger than the sum of its proper divisors (30533013).

47915115 is a wasteful number, since it uses less digits than its factorization.

47915115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74338.

The product of its digits is 6300, while the sum is 33.

The square root of 47915115 is about 6922.0744722951. The cubic root of 47915115 is about 363.2097612110.

The spelling of 47915115 in words is "forty-seven million, nine hundred fifteen thousand, one hundred fifteen".