8947271971 has 8 divisors (see below), whose sum is σ = 9761400000. Its totient is φ = 8133267240.

The previous prime is 8947271933. The next prime is 8947272011. The reversal of 8947271971 is 1791727498.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8947271971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8947271771) 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 7 ways as a sum of consecutive naturals, for example, 189280 + ... + 231778.

It is an arithmetic number, because the mean of its divisors is an integer number (1220175000).

Almost surely, 2^8947271971 is an apocalyptic number.

8947271971 is a deficient number, since it is larger than the sum of its proper divisors (814128029).

8947271971 is a wasteful number, since it uses less digits than its factorization.

8947271971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61649.

The product of its digits is 1778112, while the sum is 55.

The square root of 8947271971 is about 94590.0204619917. The cubic root of 8947271971 is about 2076.0136893296.

It can be divided in two parts, 894727 and 1971, that added together give a palindrome (896698).

The spelling of 8947271971 in words is "eight billion, nine hundred forty-seven million, two hundred seventy-one thousand, nine hundred seventy-one".