47511882 has 48 divisors (see below), whose sum is σ = 117194688. Its totient is φ = 13770240.

The previous prime is 47511881. The next prime is 47511883. The reversal of 47511882 is 28811574.

47511882 is a `hidden beast` number, since 475 + 1 + 188 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (47511881) and next prime (47511883).

It is not an unprimeable number, because it can be changed into a prime (47511881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 663 + ... + 9770.

It is an arithmetic number, because the mean of its divisors is an integer number (2441556).

Almost surely, 2^47511882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47511882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58597344).

47511882 is an abundant number, since it is smaller than the sum of its proper divisors (69682806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47511882 is a wasteful number, since it uses less digits than its factorization.

47511882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10475 (or 10472 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 47511882 is about 6892.8863330248. The cubic root of 47511882 is about 362.1880172632.

The spelling of 47511882 in words is "forty-seven million, five hundred eleven thousand, eight hundred eighty-two".