812066504 has 8 divisors (see below), whose sum is σ = 1522624710. Its totient is φ = 406033248.

The previous prime is 812066473. The next prime is 812066531. The reversal of 812066504 is 405660218.

It can be written as a sum of positive squares in only one way, i.e., 741472900 + 70593604 = 27230^2 + 8402^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 50754149 + ... + 50754164.

Almost surely, 2^812066504 is an apocalyptic number.

It is an amenable number.

812066504 is a deficient number, since it is larger than the sum of its proper divisors (710558206).

812066504 is a wasteful number, since it uses less digits than its factorization.

812066504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101508319 (or 101508315 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 812066504 is about 28496.7805900947. The cubic root of 812066504 is about 932.9618080249.

The spelling of 812066504 in words is "eight hundred twelve million, sixty-six thousand, five hundred four".