47857151 has 8 divisors (see below), whose sum is σ = 49234944. Its totient is φ = 46491480.

The previous prime is 47857129. The next prime is 47857153. The reversal of 47857151 is 15175874.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47857151 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 (47857153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5300 + ... + 11126.

It is an arithmetic number, because the mean of its divisors is an integer number (6154368).

Almost surely, 2^47857151 is an apocalyptic number.

47857151 is a deficient number, since it is larger than the sum of its proper divisors (1377793).

47857151 is a wasteful number, since it uses less digits than its factorization.

47857151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061.

The product of its digits is 39200, while the sum is 38.

The square root of 47857151 is about 6917.8863101384. The cubic root of 47857151 is about 363.0632410870.

The spelling of 47857151 in words is "forty-seven million, eight hundred fifty-seven thousand, one hundred fifty-one".