47585387 has 4 divisors (see below), whose sum is σ = 48076056. Its totient is φ = 47094720.

The previous prime is 47585381. The next prime is 47585393. The reversal of 47585387 is 78358574.

It is a happy number.

47585387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (47585381) and next prime (47585393).

It is a cyclic number.

It is not a de Polignac number, because 47585387 - 2¹⁰ = 47584363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47585381) 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 3 ways as a sum of consecutive naturals, for example, 245189 + ... + 245382.

It is an arithmetic number, because the mean of its divisors is an integer number (12019014).

Almost surely, 2^47585387 is an apocalyptic number.

47585387 is a deficient number, since it is larger than the sum of its proper divisors (490669).

47585387 is an equidigital number, since it uses as much as digits as its factorization.

47585387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490668.

The product of its digits is 940800, while the sum is 47.

The square root of 47585387 is about 6898.2162187047. The cubic root of 47585387 is about 362.3746997779.

The spelling of 47585387 in words is "forty-seven million, five hundred eighty-five thousand, three hundred eighty-seven".