6888528648 has 24 divisors (see below), whose sum is σ = 18656431950. Its totient is φ = 2296176192.

The previous prime is 6888528629. The next prime is 6888528671. The reversal of 6888528648 is 8468258886.

6888528648 is a `hidden beast` number, since 68 + 8 + 8 + 528 + 6 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4640061924 + 2248466724 = 68118^2 + 47418^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47836933 + ... + 47837076.

Almost surely, 2^6888528648 is an apocalyptic number.

It is an amenable number.

6888528648 is an abundant number, since it is smaller than the sum of its proper divisors (11767903302).

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

6888528648 is a wasteful number, since it uses less digits than its factorization.

6888528648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95674021 (or 95674014 counting only the distinct ones).

The product of its digits is 47185920, while the sum is 63.

The square root of 6888528648 is about 82997.1604815490. The cubic root of 6888528648 is about 1902.7226569262.

The spelling of 6888528648 in words is "six billion, eight hundred eighty-eight million, five hundred twenty-eight thousand, six hundred forty-eight".