47871889 has 8 divisors (see below), whose sum is σ = 51613632. Its totient is φ = 44138640.

The previous prime is 47871883. The next prime is 47871899. The reversal of 47871889 is 98817874.

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

It is not a de Polignac number, because 47871889 - 2²³ = 39483281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47871883) 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, 14394 + ... + 17404.

It is an arithmetic number, because the mean of its divisors is an integer number (6451704).

Almost surely, 2^47871889 is an apocalyptic number.

It is an amenable number.

47871889 is a deficient number, since it is larger than the sum of its proper divisors (3741743).

47871889 is a wasteful number, since it uses less digits than its factorization.

47871889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247.

The product of its digits is 903168, while the sum is 52.

The square root of 47871889 is about 6918.9514378987. The cubic root of 47871889 is about 363.1005066906.

The spelling of 47871889 in words is "forty-seven million, eight hundred seventy-one thousand, eight hundred eighty-nine".