47211711 has 8 divisors (see below), whose sum is σ = 64136880. Its totient is φ = 30880512.

The previous prime is 47211701. The next prime is 47211793. The reversal of 47211711 is 11711274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47211711 - 2⁷ = 47211583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47211701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148306 + ... + 148623.

It is an arithmetic number, because the mean of its divisors is an integer number (8017110).

Almost surely, 2^47211711 is an apocalyptic number.

47211711 is a deficient number, since it is larger than the sum of its proper divisors (16925169).

47211711 is a wasteful number, since it uses less digits than its factorization.

47211711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296985.

The product of its digits is 392, while the sum is 24.

The square root of 47211711 is about 6871.0778630430. The cubic root of 47211711 is about 361.4236603932.

Adding to 47211711 its reverse (11711274), we get a palindrome (58922985).

The spelling of 47211711 in words is "forty-seven million, two hundred eleven thousand, seven hundred eleven".