47897151 has 8 divisors (see below), whose sum is σ = 63906864. Its totient is φ = 31909440.

The previous prime is 47897149. The next prime is 47897153. The reversal of 47897151 is 15179874.

It is an interprime number because it is at equal distance from previous prime (47897149) and next prime (47897153).

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

It is not a de Polignac number, because 47897151 - 2¹ = 47897149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47897153) 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, 525 + ... + 9801.

It is an arithmetic number, because the mean of its divisors is an integer number (7988358).

Almost surely, 2^47897151 is an apocalyptic number.

47897151 is a deficient number, since it is larger than the sum of its proper divisors (16009713).

47897151 is a wasteful number, since it uses less digits than its factorization.

47897151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001.

The product of its digits is 70560, while the sum is 42.

The square root of 47897151 is about 6920.7767627630. The cubic root of 47897151 is about 363.1643648490.

The spelling of 47897151 in words is "forty-seven million, eight hundred ninety-seven thousand, one hundred fifty-one".