6887565 has 32 divisors (see below), whose sum is σ = 12359040. Its totient is φ = 3639168.

The previous prime is 6887527. The next prime is 6887599. The reversal of 6887565 is 5657886.

6887565 is a `hidden beast` number, since 6 + 8 + 87 + 565 = 666.

It is not a de Polignac number, because 6887565 - 2⁶ = 6887501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6887565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21849 + ... + 22161.

It is an arithmetic number, because the mean of its divisors is an integer number (386220).

Almost surely, 2^6887565 is an apocalyptic number.

It is an amenable number.

6887565 is a deficient number, since it is larger than the sum of its proper divisors (5471475).

6887565 is a wasteful number, since it uses less digits than its factorization.

6887565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 484 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 6887565 is about 2624.4170781337. The cubic root of 6887565 is about 190.2633927751.

The spelling of 6887565 in words is "six million, eight hundred eighty-seven thousand, five hundred sixty-five".