225775673677 has 4 divisors (see below), whose sum is σ = 239056595676. Its totient is φ = 212494751680.

The previous prime is 225775673671. The next prime is 225775673699. The reversal of 225775673677 is 776376577522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 112560921001 + 113214752676 = 335501^2 + 336474^2 .

It is a cyclic number.

It is not a de Polignac number, because 225775673677 - 2⁷ = 225775673549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225775673671) 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, 6640460974 + ... + 6640461007.

It is an arithmetic number, because the mean of its divisors is an integer number (59764148919).

Almost surely, 2^225775673677 is an apocalyptic number.

It is an amenable number.

225775673677 is a deficient number, since it is larger than the sum of its proper divisors (13280921999).

225775673677 is a wasteful number, since it uses less digits than its factorization.

225775673677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280921998.

The product of its digits is 181515600, while the sum is 64.

The spelling of 225775673677 in words is "two hundred twenty-five billion, seven hundred seventy-five million, six hundred seventy-three thousand, six hundred seventy-seven".