6627990484 has 12 divisors (see below), whose sum is σ = 11998948500. Its totient is φ = 3199719488.

The previous prime is 6627990461. The next prime is 6627990487. The reversal of 6627990484 is 4840997266.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1646736400 + 4981254084 = 40580^2 + 70578^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6627990487) 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 3 ways as a sum of consecutive naturals, for example, 28568809 + ... + 28569040.

It is an arithmetic number, because the mean of its divisors is an integer number (999912375).

Almost surely, 2^6627990484 is an apocalyptic number.

It is an amenable number.

6627990484 is a deficient number, since it is larger than the sum of its proper divisors (5370958016).

6627990484 is a wasteful number, since it uses less digits than its factorization.

6627990484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57137882 (or 57137880 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 55.

The square root of 6627990484 is about 81412.4713050771. The cubic root of 6627990484 is about 1878.4254286246.

The spelling of 6627990484 in words is "six billion, six hundred twenty-seven million, nine hundred ninety thousand, four hundred eighty-four".