6557282747 has 4 divisors (see below), whose sum is σ = 6557517120. Its totient is φ = 6557048376.

The previous prime is 6557282737. The next prime is 6557282761. The reversal of 6557282747 is 7472827556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6557282747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6557282737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68468 + ... + 133425.

It is an arithmetic number, because the mean of its divisors is an integer number (1639379280).

Almost surely, 2^6557282747 is an apocalyptic number.

6557282747 is a deficient number, since it is larger than the sum of its proper divisors (234373).

6557282747 is a wasteful number, since it uses less digits than its factorization.

6557282747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234372.

The product of its digits is 6585600, while the sum is 53.

The square root of 6557282747 is about 80977.0507427876. The cubic root of 6557282747 is about 1871.7218212422.

The spelling of 6557282747 in words is "six billion, five hundred fifty-seven million, two hundred eighty-two thousand, seven hundred forty-seven".