47795209 has 8 divisors (see below), whose sum is σ = 59588928. Its totient is φ = 37242960.

The previous prime is 47795197. The next prime is 47795213. The reversal of 47795209 is 90259774.

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 47795209 - 2¹⁹ = 47270921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47795239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310282 + ... + 310435.

It is an arithmetic number, because the mean of its divisors is an integer number (7448616).

Almost surely, 2^47795209 is an apocalyptic number.

It is an amenable number.

47795209 is a deficient number, since it is larger than the sum of its proper divisors (11793719).

47795209 is a wasteful number, since it uses less digits than its factorization.

47795209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620735.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 47795209 is about 6913.4079150590. The cubic root of 47795209 is about 362.9065346365.

The spelling of 47795209 in words is "forty-seven million, seven hundred ninety-five thousand, two hundred nine".