47871806 has 8 divisors (see below), whose sum is σ = 71837280. Its totient is φ = 23926048.

The previous prime is 47871793. The next prime is 47871823. The reversal of 47871806 is 60817874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 5915 + ... + 11433.

It is an arithmetic number, because the mean of its divisors is an integer number (8979660).

Almost surely, 2^47871806 is an apocalyptic number.

47871806 is a deficient number, since it is larger than the sum of its proper divisors (23965474).

47871806 is a wasteful number, since it uses less digits than its factorization.

47871806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9858.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 47871806 is about 6918.9454398774. The cubic root of 47871806 is about 363.1002968433.

The spelling of 47871806 in words is "forty-seven million, eight hundred seventy-one thousand, eight hundred six".