47948187 has 16 divisors (see below), whose sum is σ = 73946880. Its totient is φ = 27067872.

The previous prime is 47948141. The next prime is 47948203. The reversal of 47948187 is 78184974.

It is not a de Polignac number, because 47948187 - 2⁸ = 47947931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47948287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12012 + ... + 15497.

It is an arithmetic number, because the mean of its divisors is an integer number (4621680).

Almost surely, 2^47948187 is an apocalyptic number.

47948187 is a deficient number, since it is larger than the sum of its proper divisors (25998693).

47948187 is a wasteful number, since it uses less digits than its factorization.

47948187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27602.

The product of its digits is 451584, while the sum is 48.

The square root of 47948187 is about 6924.4629394632. The cubic root of 47948187 is about 363.2933069468.

The spelling of 47948187 in words is "forty-seven million, nine hundred forty-eight thousand, one hundred eighty-seven".