47671688 has 16 divisors (see below), whose sum is σ = 91800780. Its totient is φ = 23191488.

The previous prime is 47671669. The next prime is 47671691. The reversal of 47671688 is 88617674.

47671688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43270084 + 4401604 = 6578^2 + 2098^2 .

It is an unprimeable number.

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, 80231 + ... + 80822.

Almost surely, 2^47671688 is an apocalyptic number.

It is an amenable number.

47671688 is a deficient number, since it is larger than the sum of its proper divisors (44129092).

47671688 is a wasteful number, since it uses less digits than its factorization.

47671688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161096 (or 161092 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 47671688 is about 6904.4686978797. The cubic root of 47671688 is about 362.5936354230.

The spelling of 47671688 in words is "forty-seven million, six hundred seventy-one thousand, six hundred eighty-eight".