812676385316 has 6 divisors (see below), whose sum is σ = 1422183674310. Its totient is φ = 406338192656.

The previous prime is 812676385307. The next prime is 812676385319. The reversal of 812676385316 is 613583676218.

It can be written as a sum of positive squares in only one way, i.e., 682424688100 + 130251697216 = 826090^2 + 360904^2 .

It is not an unprimeable number, because it can be changed into a prime (812676385319) by changing a digit.

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 as a sum of consecutive naturals, namely, 101584548161 + ... + 101584548168.

It is an arithmetic number, because the mean of its divisors is an integer number (237030612385).

Almost surely, 2^812676385316 is an apocalyptic number.

It is an amenable number.

812676385316 is a deficient number, since it is larger than the sum of its proper divisors (609507288994).

812676385316 is a wasteful number, since it uses less digits than its factorization.

812676385316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203169096333 (or 203169096331 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The spelling of 812676385316 in words is "eight hundred twelve billion, six hundred seventy-six million, three hundred eighty-five thousand, three hundred sixteen".