6577268856 has 64 divisors (see below), whose sum is σ = 17527428000. Its totient is φ = 2049589248.

The previous prime is 6577268821. The next prime is 6577268857. The reversal of 6577268856 is 6588627756.

It is a self number, because there is not a number n which added to its sum of digits gives 6577268856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6577268857) 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 15 ways as a sum of consecutive naturals, for example, 6696 + ... + 114888.

Almost surely, 2^6577268856 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 6577268856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8763714000).

6577268856 is an abundant number, since it is smaller than the sum of its proper divisors (10950159144).

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

6577268856 is a wasteful number, since it uses less digits than its factorization.

6577268856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108368 (or 108364 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 60.

The square root of 6577268856 is about 81100.3628598541. The cubic root of 6577268856 is about 1873.6215153666.

The spelling of 6577268856 in words is "six billion, five hundred seventy-seven million, two hundred sixty-eight thousand, eight hundred fifty-six".