47911207 has 4 divisors (see below), whose sum is σ = 47927160. Its totient is φ = 47895256.

The previous prime is 47911187. The next prime is 47911211. The reversal of 47911207 is 70211974.

47911207 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.

It is a cyclic number.

It is not a de Polignac number, because 47911207 - 2¹⁹ = 47386919 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47911267) 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, 1957 + ... + 9982.

It is an arithmetic number, because the mean of its divisors is an integer number (11981790).

Almost surely, 2^47911207 is an apocalyptic number.

47911207 is a deficient number, since it is larger than the sum of its proper divisors (15953).

47911207 is a wasteful number, since it uses less digits than its factorization.

47911207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15952.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 47911207 is about 6921.7921812201. The cubic root of 47911207 is about 363.1998863706.

The spelling of 47911207 in words is "forty-seven million, nine hundred eleven thousand, two hundred seven".