47587287 has 16 divisors (see below), whose sum is σ = 69869952. Its totient is φ = 28569120.

The previous prime is 47587279. The next prime is 47587297. The reversal of 47587287 is 78278574.

It is a happy number.

It is not a de Polignac number, because 47587287 - 2³ = 47587279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47587277) 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 15 ways as a sum of consecutive naturals, for example, 3208 + ... + 10269.

It is an arithmetic number, because the mean of its divisors is an integer number (4366872).

Almost surely, 2^47587287 is an apocalyptic number.

47587287 is a deficient number, since it is larger than the sum of its proper divisors (22282665).

47587287 is a wasteful number, since it uses less digits than its factorization.

47587287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13598.

The product of its digits is 878080, while the sum is 48.

The square root of 47587287 is about 6898.3539340918. The cubic root of 47587287 is about 362.3795227064.

It can be divided in two parts, 47587 and 287, that added together give a palindrome (47874).

The spelling of 47587287 in words is "forty-seven million, five hundred eighty-seven thousand, two hundred eighty-seven".