47878848 has 84 divisors (see below), whose sum is σ = 138763248. Its totient is φ = 15782400.

The previous prime is 47878813. The next prime is 47878867. The reversal of 47878848 is 84887874.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47878794 and 47878803.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 57765 + ... + 58587.

Almost surely, 2^47878848 is an apocalyptic number.

47878848 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47878848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69381624).

47878848 is an abundant number, since it is smaller than the sum of its proper divisors (90884400).

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

47878848 is a wasteful number, since it uses less digits than its factorization.

47878848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 929 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 54.

The square root of 47878848 is about 6919.4543137447. The cubic root of 47878848 is about 363.1181001332.

The spelling of 47878848 in words is "forty-seven million, eight hundred seventy-eight thousand, eight hundred forty-eight".