47827871 has 12 divisors (see below), whose sum is σ = 59917032. Its totient is φ = 37841328.

The previous prime is 47827867. The next prime is 47827877. The reversal of 47827871 is 17872874.

It is not a de Polignac number, because 47827871 - 2² = 47827867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47827877) 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 11 ways as a sum of consecutive naturals, for example, 36905 + ... + 38178.

It is an arithmetic number, because the mean of its divisors is an integer number (4993086).

Almost surely, 2^47827871 is an apocalyptic number.

47827871 is a deficient number, since it is larger than the sum of its proper divisors (12089161).

47827871 is a wasteful number, since it uses less digits than its factorization.

47827871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75110 (or 75103 counting only the distinct ones).

The product of its digits is 175616, while the sum is 44.

The square root of 47827871 is about 6915.7697330088. The cubic root of 47827871 is about 362.9891827683.

The spelling of 47827871 in words is "forty-seven million, eight hundred twenty-seven thousand, eight hundred seventy-one".