47880844 has 24 divisors (see below), whose sum is σ = 93538368. Its totient is φ = 21257040.

The previous prime is 47880841. The next prime is 47880851. The reversal of 47880844 is 44808874.

47880844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 47880844.

It is not an unprimeable number, because it can be changed into a prime (47880841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10762 + ... + 14545.

It is an arithmetic number, because the mean of its divisors is an integer number (3897432).

Almost surely, 2^47880844 is an apocalyptic number.

47880844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47880844 is a deficient number, since it is larger than the sum of its proper divisors (45657524).

47880844 is a wasteful number, since it uses less digits than its factorization.

47880844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25365 (or 25363 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 43.

The square root of 47880844 is about 6919.5985432682. The cubic root of 47880844 is about 363.1231460194.

The spelling of 47880844 in words is "forty-seven million, eight hundred eighty thousand, eight hundred forty-four".