6995478528 has 144 divisors (see below), whose sum is σ = 20398800240. Its totient is φ = 2309382144.

The previous prime is 6995478527. The next prime is 6995478551. The reversal of 6995478528 is 8258745996.

6995478528 is a `hidden beast` number, since 6 + 9 + 9 + 547 + 85 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (6995478527) 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 11 ways as a sum of consecutive naturals, for example, 1970451 + ... + 1973997.

It is an arithmetic number, because the mean of its divisors is an integer number (141658335).

Almost surely, 2^6995478528 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 6995478528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10199400120).

6995478528 is an abundant number, since it is smaller than the sum of its proper divisors (13403321712).

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

6995478528 is a wasteful number, since it uses less digits than its factorization.

6995478528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682 (or 3659 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The square root of 6995478528 is about 83638.9773251682. The cubic root of 6995478528 is about 1912.5192243102.

The spelling of 6995478528 in words is "six billion, nine hundred ninety-five million, four hundred seventy-eight thousand, five hundred twenty-eight".