47011893 has 4 divisors (see below), whose sum is σ = 62682528. Its totient is φ = 31341260.

The previous prime is 47011859. The next prime is 47011897. The reversal of 47011893 is 39811074.

47011893 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47011893 - 2⁸ = 47011637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47011897) 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, 7835313 + ... + 7835318.

It is an arithmetic number, because the mean of its divisors is an integer number (15670632).

Almost surely, 2^47011893 is an apocalyptic number.

It is an amenable number.

47011893 is a deficient number, since it is larger than the sum of its proper divisors (15670635).

47011893 is a wasteful number, since it uses less digits than its factorization.

47011893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15670634.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 47011893 is about 6856.5219317085. The cubic root of 47011893 is about 360.9130449989.

The spelling of 47011893 in words is "forty-seven million, eleven thousand, eight hundred ninety-three".