6687229952 has 108 divisors (see below), whose sum is σ = 14583781485. Its totient is φ = 3064209408.

The previous prime is 6687229951. The next prime is 6687230009. The reversal of 6687229952 is 2599227866.

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 5717779456 + 969450496 = 75616^2 + 31136^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=57824.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6687229951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 48109499 + ... + 48109637.

Almost surely, 2^6687229952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6687229952

6687229952 is an abundant number, since it is smaller than the sum of its proper divisors (7896551533).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6687229952 is an equidigital number, since it uses as much as digits as its factorization.

6687229952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 154 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 56.

The square root of 6687229952 is about 81775.4850306618. The cubic root of 6687229952 is about 1884.0051508222.

The spelling of 6687229952 in words is "six billion, six hundred eighty-seven million, two hundred twenty-nine thousand, nine hundred fifty-two".