47959191 has 18 divisors (see below), whose sum is σ = 80585232. Its totient is φ = 27405000.

The previous prime is 47959187. The next prime is 47959207. The reversal of 47959191 is 19195974.

47959191 is a `hidden beast` number, since 479 + 5 + 91 + 91 = 666.

It is not a de Polignac number, because 47959191 - 2² = 47959187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47959181) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53935 + ... + 54816.

Almost surely, 2^47959191 is an apocalyptic number.

47959191 is a deficient number, since it is larger than the sum of its proper divisors (32626041).

47959191 is a wasteful number, since it uses less digits than its factorization.

47959191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108771 (or 108761 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 47959191 is about 6925.2574681379. The cubic root of 47959191 is about 363.3210964839.

The spelling of 47959191 in words is "forty-seven million, nine hundred fifty-nine thousand, one hundred ninety-one".