47887872 has 40 divisors (see below), whose sum is σ = 127580376. Its totient is φ = 15962112.

The previous prime is 47887871. The next prime is 47887897. The reversal of 47887872 is 27878874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47887871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14053 + ... + 17124.

Almost surely, 2^47887872 is an apocalyptic number.

It is an amenable number.

47887872 is an abundant number, since it is smaller than the sum of its proper divisors (79692504).

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

47887872 is an equidigital number, since it uses as much as digits as its factorization.

47887872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31198 (or 31182 counting only the distinct ones).

The product of its digits is 1404928, while the sum is 51.

The square root of 47887872 is about 6920.1063575642. The cubic root of 47887872 is about 363.1409116811.

The spelling of 47887872 in words is "forty-seven million, eight hundred eighty-seven thousand, eight hundred seventy-two".