47853889 has 2 divisors, whose sum is σ = 47853890. Its totient is φ = 47853888.

The previous prime is 47853887. The next prime is 47853917. The reversal of 47853889 is 98835874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26091664 + 21762225 = 5108^2 + 4665^2 .

It is a cyclic number.

It is not a de Polignac number, because 47853889 - 2¹ = 47853887 is a prime.

Together with 47853887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47853887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23926944 + 23926945.

It is an arithmetic number, because the mean of its divisors is an integer number (23926945).

Almost surely, 2^47853889 is an apocalyptic number.

It is an amenable number.

47853889 is a deficient number, since it is larger than the sum of its proper divisors (1).

47853889 is an equidigital number, since it uses as much as digits as its factorization.

47853889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 47853889 is about 6917.6505404653. The cubic root of 47853889 is about 363.0549919596.

The spelling of 47853889 in words is "forty-seven million, eight hundred fifty-three thousand, eight hundred eighty-nine".