47116385 has 4 divisors (see below), whose sum is σ = 56539668. Its totient is φ = 37693104.

The previous prime is 47116327. The next prime is 47116403. The reversal of 47116385 is 58361174.

47116385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58361174 = 2 ⋅29180587.

It can be written as a sum of positive squares in 2 ways, for example, as 32615521 + 14500864 = 5711^2 + 3808^2 .

It is a cyclic number.

It is not a de Polignac number, because 47116385 - 2¹⁰ = 47115361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4711634 + ... + 4711643.

It is an arithmetic number, because the mean of its divisors is an integer number (14134917).

Almost surely, 2^47116385 is an apocalyptic number.

It is an amenable number.

47116385 is a deficient number, since it is larger than the sum of its proper divisors (9423283).

47116385 is an equidigital number, since it uses as much as digits as its factorization.

47116385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9423282.

The product of its digits is 20160, while the sum is 35.

The square root of 47116385 is about 6864.1376006021. The cubic root of 47116385 is about 361.1802441911.

The spelling of 47116385 in words is "forty-seven million, one hundred sixteen thousand, three hundred eighty-five".