4771081928 has 12 divisors (see below), whose sum is σ = 8946144945. Its totient is φ = 2385443280.

The previous prime is 4771081921. The next prime is 4771081937. The reversal of 4771081928 is 8291801774.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 2428715524 + 2342366404 = 49282^2 + 48398^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=48842.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4771081921) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 183158 + ... + 207578.

Almost surely, 2^4771081928 is an apocalyptic number.

It is an amenable number.

4771081928 is a deficient number, since it is larger than the sum of its proper divisors (4175063017).

4771081928 is an frugal number, since it uses more digits than its factorization.

4771081928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48848 (or 24423 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 47.

The square root of 4771081928 is about 69073.0188134267. The cubic root of 4771081928 is about 1683.4709428224.

The spelling of 4771081928 in words is "four billion, seven hundred seventy-one million, eighty-one thousand, nine hundred twenty-eight".