47788087 has 2 divisors, whose sum is σ = 47788088. Its totient is φ = 47788086.

The previous prime is 47788073. The next prime is 47788099. The reversal of 47788087 is 78088774.

47788087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47788087 - 2⁷ = 47787959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47788087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47788057) 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, 23894043 + 23894044.

It is an arithmetic number, because the mean of its divisors is an integer number (23894044).

Almost surely, 2^47788087 is an apocalyptic number.

47788087 is a deficient number, since it is larger than the sum of its proper divisors (1).

47788087 is an equidigital number, since it uses as much as digits as its factorization.

47788087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 702464, while the sum is 49.

The square root of 47788087 is about 6912.8928098156. The cubic root of 47788087 is about 362.8885080827. Note that the first 3 decimals are identical.

The spelling of 47788087 in words is "forty-seven million, seven hundred eighty-eight thousand, eighty-seven".