47677209 has 8 divisors (see below), whose sum is σ = 63641760. Its totient is φ = 31748736.

The previous prime is 47677207. The next prime is 47677241. The reversal of 47677209 is 90277674.

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

It is not a de Polignac number, because 47677209 - 2¹ = 47677207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47677207) 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, 5767 + ... + 11340.

It is an arithmetic number, because the mean of its divisors is an integer number (7955220).

Almost surely, 2^47677209 is an apocalyptic number.

It is an amenable number.

47677209 is a deficient number, since it is larger than the sum of its proper divisors (15964551).

47677209 is a wasteful number, since it uses less digits than its factorization.

47677209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 47677209 is about 6904.8684998340. The cubic root of 47677209 is about 362.6076325652.

The spelling of 47677209 in words is "forty-seven million, six hundred seventy-seven thousand, two hundred nine".