47695891 has 4 divisors (see below), whose sum is σ = 47904400. Its totient is φ = 47487384.

The previous prime is 47695889. The next prime is 47695903. The reversal of 47695891 is 19859674.

47695891 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.

It is a cyclic number.

It is not a de Polignac number, because 47695891 - 2¹ = 47695889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47695801) by changing a digit.

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, 103911 + ... + 104368.

It is an arithmetic number, because the mean of its divisors is an integer number (11976100).

Almost surely, 2^47695891 is an apocalyptic number.

47695891 is a deficient number, since it is larger than the sum of its proper divisors (208509).

47695891 is a wasteful number, since it uses less digits than its factorization.

47695891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208508.

The product of its digits is 544320, while the sum is 49.

The square root of 47695891 is about 6906.2211809353. The cubic root of 47695891 is about 362.6549881838.

The spelling of 47695891 in words is "forty-seven million, six hundred ninety-five thousand, eight hundred ninety-one".