47288165 has 8 divisors (see below), whose sum is σ = 56802840. Its totient is φ = 37792512.

The previous prime is 47288147. The next prime is 47288167. The reversal of 47288165 is 56188274.

It can be written as a sum of positive squares in 4 ways, for example, as 693889 + 46594276 = 833^2 + 6826^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47288165 - 2⁸ = 47287909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47288167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1457 + ... + 9833.

It is an arithmetic number, because the mean of its divisors is an integer number (7100355).

Almost surely, 2^47288165 is an apocalyptic number.

It is an amenable number.

47288165 is a deficient number, since it is larger than the sum of its proper divisors (9514675).

47288165 is a wasteful number, since it uses less digits than its factorization.

47288165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9511.

The product of its digits is 107520, while the sum is 41.

The square root of 47288165 is about 6876.6390773400. The cubic root of 47288165 is about 361.6186500231.

The spelling of 47288165 in words is "forty-seven million, two hundred eighty-eight thousand, one hundred sixty-five".