47810609 has 24 divisors (see below), whose sum is σ = 61388544. Its totient is φ = 36432000.

The previous prime is 47810603. The next prime is 47810617. The reversal of 47810609 is 90601874.

It is not a de Polignac number, because 47810609 - 2¹² = 47806513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47810603) 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 23 ways as a sum of consecutive naturals, for example, 39209 + ... + 40409.

It is an arithmetic number, because the mean of its divisors is an integer number (2557856).

Almost surely, 2^47810609 is an apocalyptic number.

It is an amenable number.

47810609 is a deficient number, since it is larger than the sum of its proper divisors (13577935).

47810609 is a wasteful number, since it uses less digits than its factorization.

47810609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 47810609 is about 6914.5216031190. The cubic root of 47810609 is about 362.9455075839.

The spelling of 47810609 in words is "forty-seven million, eight hundred ten thousand, six hundred nine".