47385687 has 8 divisors (see below), whose sum is σ = 64046704. Its totient is φ = 31157568.

The previous prime is 47385659. The next prime is 47385691. The reversal of 47385687 is 78658374.

47385687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47385687 - 2⁸ = 47385431 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 (47385607) 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 7 ways as a sum of consecutive naturals, for example, 107968 + ... + 108405.

It is an arithmetic number, because the mean of its divisors is an integer number (8005838).

Almost surely, 2^47385687 is an apocalyptic number.

47385687 is a deficient number, since it is larger than the sum of its proper divisors (16661017).

47385687 is a wasteful number, since it uses less digits than its factorization.

47385687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216449.

The product of its digits is 1128960, while the sum is 48.

The square root of 47385687 is about 6883.7262438304. The cubic root of 47385687 is about 361.8670670703.

The spelling of 47385687 in words is "forty-seven million, three hundred eighty-five thousand, six hundred eighty-seven".