47887711 has 4 divisors (see below), whose sum is σ = 48138624. Its totient is φ = 47636800.

The previous prime is 47887709. The next prime is 47887717. The reversal of 47887711 is 11778874.

It is a happy number.

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 47887711 - 2¹ = 47887709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47887717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125170 + ... + 125551.

It is an arithmetic number, because the mean of its divisors is an integer number (12034656).

Almost surely, 2^47887711 is an apocalyptic number.

47887711 is a deficient number, since it is larger than the sum of its proper divisors (250913).

47887711 is a wasteful number, since it uses less digits than its factorization.

47887711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250912.

The product of its digits is 87808, while the sum is 43.

The square root of 47887711 is about 6920.0947247852. The cubic root of 47887711 is about 363.1405047182.

The spelling of 47887711 in words is "forty-seven million, eight hundred eighty-seven thousand, seven hundred eleven".