47387 has 2 divisors, whose sum is σ = 47388. Its totient is φ = 47386.

The previous prime is 47381. The next prime is 47389. The reversal of 47387 is 78374.

47387 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47387 - 2¹² = 43291 is a prime.

Together with 47389, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47387.

It is not a weakly prime, because it can be changed into another prime (47381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23693 + 23694.

It is an arithmetic number, because the mean of its divisors is an integer number (23694).

2⁴⁷³⁸⁷ is an apocalyptic number.

47387 is a deficient number, since it is larger than the sum of its proper divisors (1).

47387 is an equidigital number, since it uses as much as digits as its factorization.

47387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 29.

The square root of 47387 is about 217.6855530346. The cubic root of 47387 is about 36.1870409339.

It can be divided in two parts, 47 and 387, that added together give a palindrome (434).

The spelling of 47387 in words is "forty-seven thousand, three hundred eighty-seven".