6528787885 has 24 divisors (see below), whose sum is σ = 8368405920. Its totient is φ = 4888405728.

The previous prime is 6528787879. The next prime is 6528787901. The reversal of 6528787885 is 5887878256.

It is not a de Polignac number, because 6528787885 - 2⁹ = 6528787373 is a prime.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128026 + ... + 171604.

It is an arithmetic number, because the mean of its divisors is an integer number (348683580).

Almost surely, 2^6528787885 is an apocalyptic number.

It is an amenable number.

6528787885 is a deficient number, since it is larger than the sum of its proper divisors (1839618035).

6528787885 is a wasteful number, since it uses less digits than its factorization.

6528787885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43705 (or 43686 counting only the distinct ones).

The product of its digits is 60211200, while the sum is 64.

The square root of 6528787885 is about 80800.9151247682. The cubic root of 6528787885 is about 1869.0066774048.

The spelling of 6528787885 in words is "six billion, five hundred twenty-eight million, seven hundred eighty-seven thousand, eight hundred eighty-five".