47483857 has 4 divisors (see below), whose sum is σ = 47551540. Its totient is φ = 47416176.

The previous prime is 47483851. The next prime is 47483881. The reversal of 47483857 is 75838474.

47483857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8346321 + 39137536 = 2889^2 + 6256^2 .

It is a cyclic number.

It is not a de Polignac number, because 47483857 - 2⁷ = 47483729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47483851) 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 3 ways as a sum of consecutive naturals, for example, 32778 + ... + 34195.

It is an arithmetic number, because the mean of its divisors is an integer number (11887885).

Almost surely, 2^47483857 is an apocalyptic number.

It is an amenable number.

47483857 is a deficient number, since it is larger than the sum of its proper divisors (67683).

47483857 is an equidigital number, since it uses as much as digits as its factorization.

47483857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67682.

The product of its digits is 752640, while the sum is 46.

The square root of 47483857 is about 6890.8531402142. The cubic root of 47483857 is about 362.1167907606.

The spelling of 47483857 in words is "forty-seven million, four hundred eighty-three thousand, eight hundred fifty-seven".