47868159 has 8 divisors (see below), whose sum is σ = 65308672. Its totient is φ = 31169880.

The previous prime is 47868151. The next prime is 47868173. The reversal of 47868159 is 95186874.

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

It is not a de Polignac number, because 47868159 - 2³ = 47868151 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 (47868151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185407 + ... + 185664.

It is an arithmetic number, because the mean of its divisors is an integer number (8163584).

Almost surely, 2^47868159 is an apocalyptic number.

47868159 is a deficient number, since it is larger than the sum of its proper divisors (17440513).

47868159 is a wasteful number, since it uses less digits than its factorization.

47868159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371117.

The product of its digits is 483840, while the sum is 48.

The square root of 47868159 is about 6918.6818831335. The cubic root of 47868159 is about 363.0910759642.

The spelling of 47868159 in words is "forty-seven million, eight hundred sixty-eight thousand, one hundred fifty-nine".