947141471 has 4 divisors (see below), whose sum is σ = 957783600. Its totient is φ = 936499344.

The previous prime is 947141467. The next prime is 947141497. The reversal of 947141471 is 174141749.

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 947141471 - 2² = 947141467 is a prime.

It is a super-3 number, since 3×947141471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947141401) 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, 5320931 + ... + 5321108.

It is an arithmetic number, because the mean of its divisors is an integer number (239445900).

Almost surely, 2^947141471 is an apocalyptic number.

947141471 is a deficient number, since it is larger than the sum of its proper divisors (10642129).

947141471 is a wasteful number, since it uses less digits than its factorization.

947141471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642128.

The product of its digits is 28224, while the sum is 38.

The square root of 947141471 is about 30775.6636159157. The cubic root of 947141471 is about 982.0605924232.

The spelling of 947141471 in words is "nine hundred forty-seven million, one hundred forty-one thousand, four hundred seventy-one".