6528273887 has 12 divisors (see below), whose sum is σ = 7065742536. Its totient is φ = 6028314240.

The previous prime is 6528273883. The next prime is 6528273923. The reversal of 6528273887 is 7883728256.

It is a happy number.

It is not a de Polignac number, because 6528273887 - 2² = 6528273883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6528273881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197789 + ... + 228422.

It is an arithmetic number, because the mean of its divisors is an integer number (588811878).

Almost surely, 2^6528273887 is an apocalyptic number.

6528273887 is a deficient number, since it is larger than the sum of its proper divisors (537468649).

6528273887 is a wasteful number, since it uses less digits than its factorization.

6528273887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426298 (or 426281 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 56.

The square root of 6528273887 is about 80797.7344174947. The cubic root of 6528273887 is about 1868.9576284377.

The spelling of 6528273887 in words is "six billion, five hundred twenty-eight million, two hundred seventy-three thousand, eight hundred eighty-seven".