47688351871 has 4 divisors (see below), whose sum is σ = 47731354200. Its totient is φ = 47645349544.

The previous prime is 47688351859. The next prime is 47688351881. The reversal of 47688351871 is 17815388674.

47688351871 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 47688351871 - 2³¹ = 45540868223 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 (47688351811) 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, 21499501 + ... + 21501718.

It is an arithmetic number, because the mean of its divisors is an integer number (11932838550).

Almost surely, 2^47688351871 is an apocalyptic number.

47688351871 is a deficient number, since it is larger than the sum of its proper divisors (43002329).

47688351871 is a wasteful number, since it uses less digits than its factorization.

47688351871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43002328.

The product of its digits is 9031680, while the sum is 58.

The spelling of 47688351871 in words is "forty-seven billion, six hundred eighty-eight million, three hundred fifty-one thousand, eight hundred seventy-one".