812055584 has 12 divisors (see below), whose sum is σ = 1598734494. Its totient is φ = 406027776.

The previous prime is 812055557. The next prime is 812055589. The reversal of 812055584 is 485550218.

It can be written as a sum of positive squares in only one way, i.e., 465351184 + 346704400 = 21572^2 + 18620^2 .

It is not an unprimeable number, because it can be changed into a prime (812055589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12688337 + ... + 12688400.

Almost surely, 2^812055584 is an apocalyptic number.

It is an amenable number.

812055584 is a deficient number, since it is larger than the sum of its proper divisors (786678910).

812055584 is a wasteful number, since it uses less digits than its factorization.

812055584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25376747 (or 25376739 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 38.

The square root of 812055584 is about 28496.5889888597. The cubic root of 812055584 is about 932.9576261061.

The spelling of 812055584 in words is "eight hundred twelve million, fifty-five thousand, five hundred eighty-four".