47387927 has 4 divisors (see below), whose sum is σ = 47446056. Its totient is φ = 47329800.

The previous prime is 47387897. The next prime is 47387939. The reversal of 47387927 is 72978374.

47387927 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 is a cyclic number.

It is not a de Polignac number, because 47387927 - 2⁶ = 47387863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47387947) 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, 27824 + ... + 29477.

It is an arithmetic number, because the mean of its divisors is an integer number (11861514).

Almost surely, 2^47387927 is an apocalyptic number.

47387927 is a deficient number, since it is larger than the sum of its proper divisors (58129).

47387927 is an equidigital number, since it uses as much as digits as its factorization.

47387927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58128.

The product of its digits is 592704, while the sum is 47.

The square root of 47387927 is about 6883.8889444848. Note that the first 3 decimals coincide. The cubic root of 47387927 is about 361.8727689992.

The spelling of 47387927 in words is "forty-seven million, three hundred eighty-seven thousand, nine hundred twenty-seven".