225077782856 has 16 divisors (see below), whose sum is σ = 422444148540. Its totient is φ = 112426009920.

The previous prime is 225077782847. The next prime is 225077782901. The reversal of 225077782856 is 658287770522.

225077782856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 214822980100 + 10254802756 = 463490^2 + 101266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225077782795 and 225077782804.

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 3 ways as a sum of consecutive naturals, for example, 14101715 + ... + 14117666.

Almost surely, 2^225077782856 is an apocalyptic number.

It is an amenable number.

225077782856 is a deficient number, since it is larger than the sum of its proper divisors (197366365684).

225077782856 is a wasteful number, since it uses less digits than its factorization.

225077782856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28220384 (or 28220380 counting only the distinct ones).

The product of its (nonzero) digits is 26342400, while the sum is 59.

The spelling of 225077782856 in words is "two hundred twenty-five billion, seventy-seven million, seven hundred eighty-two thousand, eight hundred fifty-six".