47008839 has 8 divisors (see below), whose sum is σ = 62905840. Its totient is φ = 31225536.

The previous prime is 47008823. The next prime is 47008873. The reversal of 47008839 is 93880074.

47008839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47008839 - 2⁴ = 47008823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47008797 and 47008806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47008879) 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, 27454 + ... + 29115.

It is an arithmetic number, because the mean of its divisors is an integer number (7863230).

Almost surely, 2^47008839 is an apocalyptic number.

47008839 is a deficient number, since it is larger than the sum of its proper divisors (15897001).

47008839 is a wasteful number, since it uses less digits than its factorization.

47008839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56849.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 47008839 is about 6856.2992204250. The cubic root of 47008839 is about 360.9052295843.

The spelling of 47008839 in words is "forty-seven million, eight thousand, eight hundred thirty-nine".