47885847 has 8 divisors (see below), whose sum is σ = 63964656. Its totient is φ = 31865472.

The previous prime is 47885837. The next prime is 47885899. The reversal of 47885847 is 74858874.

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

It is not a de Polignac number, because 47885847 - 2¹⁸ = 47623703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47885847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47885837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12658 + ... + 15999.

It is an arithmetic number, because the mean of its divisors is an integer number (7995582).

Almost surely, 2^47885847 is an apocalyptic number.

47885847 is a deficient number, since it is larger than the sum of its proper divisors (16078809).

47885847 is a wasteful number, since it uses less digits than its factorization.

47885847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29217.

The product of its digits is 2007040, while the sum is 51.

The square root of 47885847 is about 6919.9600432372. The cubic root of 47885847 is about 363.1357929827.

The spelling of 47885847 in words is "forty-seven million, eight hundred eighty-five thousand, eight hundred forty-seven".