947471971 has 8 divisors (see below), whose sum is σ = 959759840. Its totient is φ = 935243712.

The previous prime is 947471969. The next prime is 947471983. The reversal of 947471971 is 179174749.

947471971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 947471971 - 2¹ = 947471969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947471951) 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, 17545 + ... + 46933.

It is an arithmetic number, because the mean of its divisors is an integer number (119969980).

Almost surely, 2^947471971 is an apocalyptic number.

947471971 is a deficient number, since it is larger than the sum of its proper divisors (12287869).

947471971 is a wasteful number, since it uses less digits than its factorization.

947471971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29805.

The product of its digits is 444528, while the sum is 49.

The square root of 947471971 is about 30781.0326499941. The cubic root of 947471971 is about 982.1748074201.

The spelling of 947471971 in words is "nine hundred forty-seven million, four hundred seventy-one thousand, nine hundred seventy-one".