47780338 has 12 divisors (see below), whose sum is σ = 74923758. Its totient is φ = 22850960.

The previous prime is 47780323. The next prime is 47780347. The reversal of 47780338 is 83308774.

47780338 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 only one way, i.e., 36036009 + 11744329 = 6003^2 + 3427^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47780338.

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 5 ways as a sum of consecutive naturals, for example, 21523 + ... + 23638.

Almost surely, 2^47780338 is an apocalyptic number.

47780338 is a deficient number, since it is larger than the sum of its proper divisors (27143420).

47780338 is a wasteful number, since it uses less digits than its factorization.

47780338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45209 (or 45186 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 47780338 is about 6912.3323126134. The cubic root of 47780338 is about 362.8688924892.

The spelling of 47780338 in words is "forty-seven million, seven hundred eighty thousand, three hundred thirty-eight".