47715211 has 4 divisors (see below), whose sum is σ = 48615552. Its totient is φ = 46814872.

The previous prime is 47715203. The next prime is 47715229. The reversal of 47715211 is 11251774.

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 47715211 - 2³ = 47715203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47715211.

It is not an unprimeable number, because it can be changed into a prime (47715511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450091 + ... + 450196.

It is an arithmetic number, because the mean of its divisors is an integer number (12153888).

Almost surely, 2^47715211 is an apocalyptic number.

47715211 is a deficient number, since it is larger than the sum of its proper divisors (900341).

47715211 is an equidigital number, since it uses as much as digits as its factorization.

47715211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900340.

The product of its digits is 1960, while the sum is 28.

The square root of 47715211 is about 6907.6197781870. The cubic root of 47715211 is about 362.7039480166.

Adding to 47715211 its reverse (11251774), we get a palindrome (58966985).

The spelling of 47715211 in words is "forty-seven million, seven hundred fifteen thousand, two hundred eleven".