3979272771 has 32 divisors (see below), whose sum is σ = 6210176000. Its totient is φ = 2511329184.

The previous prime is 3979272769. The next prime is 3979272779. The reversal of 3979272771 is 1772729793.

It is a happy number.

It is not a de Polignac number, because 3979272771 - 2¹ = 3979272769 is a prime.

It is a super-2 number, since 2×3979272771² = 31669223572044036882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3979272779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1038966 + ... + 1042788.

It is an arithmetic number, because the mean of its divisors is an integer number (194068000).

Almost surely, 2^3979272771 is an apocalyptic number.

3979272771 is a deficient number, since it is larger than the sum of its proper divisors (2230903229).

3979272771 is a wasteful number, since it uses less digits than its factorization.

3979272771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880 (or 5874 counting only the distinct ones).

The product of its digits is 2333772, while the sum is 54.

The square root of 3979272771 is about 63081.4772417387. The cubic root of 3979272771 is about 1584.6544335821.

The spelling of 3979272771 in words is "three billion, nine hundred seventy-nine million, two hundred seventy-two thousand, seven hundred seventy-one".