675444444577 has 16 divisors (see below), whose sum is σ = 791537725440. Its totient is φ = 564307691472.

The previous prime is 675444444557. The next prime is 675444444607. The reversal of 675444444577 is 775444444576.

It is a happy number.

It is not a de Polignac number, because 675444444577 - 2¹¹ = 675444442529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675444444557) 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 15 ways as a sum of consecutive naturals, for example, 2198203 + ... + 2486560.

It is an arithmetic number, because the mean of its divisors is an integer number (49471107840).

Almost surely, 2^675444444577 is an apocalyptic number.

It is an amenable number.

675444444577 is a deficient number, since it is larger than the sum of its proper divisors (116093280863).

675444444577 is a wasteful number, since it uses less digits than its factorization.

675444444577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685292.

The product of its digits is 210739200, while the sum is 61.

Subtracting 675444444577 from its reverse (775444444576), we obtain a palindrome (99999999999).

The spelling of 675444444577 in words is "six hundred seventy-five billion, four hundred forty-four million, four hundred forty-four thousand, five hundred seventy-seven".