6577225563 has 8 divisors (see below), whose sum is σ = 8772181776. Its totient is φ = 4383543200.

The previous prime is 6577225531. The next prime is 6577225597. The reversal of 6577225563 is 3655227756.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6577225563 - 2⁵ = 6577225531 is a prime.

It is a super-4 number, since 4×6577225563⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (6577225513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306348 + ... + 327113.

It is an arithmetic number, because the mean of its divisors is an integer number (1096522722).

Almost surely, 2^6577225563 is an apocalyptic number.

6577225563 is a deficient number, since it is larger than the sum of its proper divisors (2194956213).

6577225563 is a wasteful number, since it uses less digits than its factorization.

6577225563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636925.

The product of its digits is 2646000, while the sum is 48.

The square root of 6577225563 is about 81100.0959493884. The cubic root of 6577225563 is about 1873.6174044975.

The spelling of 6577225563 in words is "six billion, five hundred seventy-seven million, two hundred twenty-five thousand, five hundred sixty-three".