47789565 has 16 divisors (see below), whose sum is σ = 76640256. Its totient is φ = 25428800.

The previous prime is 47789563. The next prime is 47789597. The reversal of 47789565 is 56598774.

It is not a de Polignac number, because 47789565 - 2¹ = 47789563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47789563) 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 15 ways as a sum of consecutive naturals, for example, 3460 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (4790016).

Almost surely, 2^47789565 is an apocalyptic number.

It is an amenable number.

47789565 is a deficient number, since it is larger than the sum of its proper divisors (28850691).

47789565 is a wasteful number, since it uses less digits than its factorization.

47789565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380.

The product of its digits is 2116800, while the sum is 51.

The square root of 47789565 is about 6912.9997106900. Note that the first 3 decimals coincide. The cubic root of 47789565 is about 362.8922492081.

The spelling of 47789565 in words is "forty-seven million, seven hundred eighty-nine thousand, five hundred sixty-five".