47387687188 has 12 divisors (see below), whose sum is σ = 82931315040. Its totient is φ = 23693025752.

The previous prime is 47387687183. The next prime is 47387687213. The reversal of 47387687188 is 88178678374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47387687183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63256 + ... + 314287.

It is an arithmetic number, because the mean of its divisors is an integer number (6910942920).

Almost surely, 2^47387687188 is an apocalyptic number.

It is an amenable number.

47387687188 is a deficient number, since it is larger than the sum of its proper divisors (35543627852).

47387687188 is a wasteful number, since it uses less digits than its factorization.

47387687188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408926 (or 408924 counting only the distinct ones).

The product of its digits is 101154816, while the sum is 67.

The spelling of 47387687188 in words is "forty-seven billion, three hundred eighty-seven million, six hundred eighty-seven thousand, one hundred eighty-eight".