47889903 has 4 divisors (see below), whose sum is σ = 63853208. Its totient is φ = 31926600.

The previous prime is 47889893. The next prime is 47889929. The reversal of 47889903 is 30998874.

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

It is not a de Polignac number, because 47889903 - 2¹³ = 47881711 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 (47889973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7981648 + ... + 7981653.

It is an arithmetic number, because the mean of its divisors is an integer number (15963302).

Almost surely, 2^47889903 is an apocalyptic number.

47889903 is a deficient number, since it is larger than the sum of its proper divisors (15963305).

47889903 is a wasteful number, since it uses less digits than its factorization.

47889903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15963304.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 47889903 is about 6920.2531023077. The cubic root of 47889903 is about 363.1460454010.

The spelling of 47889903 in words is "forty-seven million, eight hundred eighty-nine thousand, nine hundred three".