47728711 has 2 divisors, whose sum is σ = 47728712. Its totient is φ = 47728710.

The previous prime is 47728697. The next prime is 47728721. The reversal of 47728711 is 11782774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47728711 - 2⁵ = 47728679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47728721) 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 as a sum of consecutive naturals, namely, 23864355 + 23864356.

It is an arithmetic number, because the mean of its divisors is an integer number (23864356).

Almost surely, 2^47728711 is an apocalyptic number.

47728711 is a deficient number, since it is larger than the sum of its proper divisors (1).

47728711 is an equidigital number, since it uses as much as digits as its factorization.

47728711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21952, while the sum is 37.

The square root of 47728711 is about 6908.5968908310. The cubic root of 47728711 is about 362.7381512367.

The spelling of 47728711 in words is "forty-seven million, seven hundred twenty-eight thousand, seven hundred eleven".