47589887 has 4 divisors (see below), whose sum is σ = 48061176. Its totient is φ = 47118600.

The previous prime is 47589877. The next prime is 47589907. The reversal of 47589887 is 78898574.

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

It is a cyclic number.

It is not a de Polignac number, because 47589887 - 2¹⁴ = 47573503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47589877) 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 3 ways as a sum of consecutive naturals, for example, 235493 + ... + 235694.

It is an arithmetic number, because the mean of its divisors is an integer number (12015294).

Almost surely, 2^47589887 is an apocalyptic number.

47589887 is a deficient number, since it is larger than the sum of its proper divisors (471289).

47589887 is a wasteful number, since it uses less digits than its factorization.

47589887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471288.

The product of its digits is 4515840, while the sum is 56.

The square root of 47589887 is about 6898.5423822718. The cubic root of 47589887 is about 362.3861222954.

The spelling of 47589887 in words is "forty-seven million, five hundred eighty-nine thousand, eight hundred eighty-seven".