6675555765 has 32 divisors (see below), whose sum is σ = 11150343936. Its totient is φ = 3403952640.

The previous prime is 6675555739. The next prime is 6675555781. The reversal of 6675555765 is 5675555766.

It is a happy number.

It is not a de Polignac number, because 6675555765 - 2¹² = 6675551669 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1500945 + ... + 1505385.

It is an arithmetic number, because the mean of its divisors is an integer number (348448248).

Almost surely, 2^6675555765 is an apocalyptic number.

It is an amenable number.

6675555765 is a deficient number, since it is larger than the sum of its proper divisors (4474788171).

6675555765 is a wasteful number, since it uses less digits than its factorization.

6675555765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829.

The product of its digits is 33075000, while the sum is 57.

The square root of 6675555765 is about 81704.0743476113. The cubic root of 6675555765 is about 1882.9081824320.

Subtracting from 6675555765 its reverse (5675555766), we obtain a palindrome (999999999).

The spelling of 6675555765 in words is "six billion, six hundred seventy-five million, five hundred fifty-five thousand, seven hundred sixty-five".