47038287 has 4 divisors (see below), whose sum is σ = 62717720. Its totient is φ = 31358856.

The previous prime is 47038247. The next prime is 47038297. The reversal of 47038287 is 78283074.

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

It is not a de Polignac number, because 47038287 - 2⁶ = 47038223 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 (47038237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7839712 + ... + 7839717.

It is an arithmetic number, because the mean of its divisors is an integer number (15679430).

Almost surely, 2^47038287 is an apocalyptic number.

47038287 is a deficient number, since it is larger than the sum of its proper divisors (15679433).

47038287 is a wasteful number, since it uses less digits than its factorization.

47038287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15679432.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 47038287 is about 6858.4463984200. The cubic root of 47038287 is about 360.9805751218.

The spelling of 47038287 in words is "forty-seven million, thirty-eight thousand, two hundred eighty-seven".