47380808 has 16 divisors (see below), whose sum is σ = 89437500. Its totient is φ = 23530816.

The previous prime is 47380793. The next prime is 47380829. The reversal of 47380808 is 80808374.

47380808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47087044 + 293764 = 6862^2 + 542^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18683 + ... + 21066.

Almost surely, 2^47380808 is an apocalyptic number.

It is an amenable number.

47380808 is a deficient number, since it is larger than the sum of its proper divisors (42056692).

47380808 is a wasteful number, since it uses less digits than its factorization.

47380808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39904 (or 39900 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 47380808 is about 6883.3718481570. The cubic root of 47380808 is about 361.8546469343.

The spelling of 47380808 in words is "forty-seven million, three hundred eighty thousand, eight hundred eight".