47489087 has 2 divisors, whose sum is σ = 47489088. Its totient is φ = 47489086.

The previous prime is 47489063. The next prime is 47489119. The reversal of 47489087 is 78098474.

47489087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47489087 - 2⁶ = 47489023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47489027) 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 as a sum of consecutive naturals, namely, 23744543 + 23744544.

It is an arithmetic number, because the mean of its divisors is an integer number (23744544).

Almost surely, 2^47489087 is an apocalyptic number.

47489087 is a deficient number, since it is larger than the sum of its proper divisors (1).

47489087 is an equidigital number, since it uses as much as digits as its factorization.

47489087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 47489087 is about 6891.2326183347. The cubic root of 47489087 is about 362.1300851123.

The spelling of 47489087 in words is "forty-seven million, four hundred eighty-nine thousand, eighty-seven".