47998171 has 16 divisors (see below), whose sum is σ = 54250560. Its totient is φ = 42134400.

The previous prime is 47998163. The next prime is 47998177. The reversal of 47998171 is 17189974.

It is a cyclic number.

It is not a de Polignac number, because 47998171 - 2³ = 47998163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47998177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68121 + ... + 68821.

It is an arithmetic number, because the mean of its divisors is an integer number (3390660).

Almost surely, 2^47998171 is an apocalyptic number.

47998171 is a deficient number, since it is larger than the sum of its proper divisors (6252389).

47998171 is a wasteful number, since it uses less digits than its factorization.

47998171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

The product of its digits is 127008, while the sum is 46.

The square root of 47998171 is about 6928.0712323128. The cubic root of 47998171 is about 363.4195025167.

The spelling of 47998171 in words is "forty-seven million, nine hundred ninety-eight thousand, one hundred seventy-one".