812057936682 has 64 divisors (see below), whose sum is σ = 1650586823424. Its totient is φ = 266309621760.

The previous prime is 812057936681. The next prime is 812057936719. The reversal of 812057936682 is 286639750218.

It is not an unprimeable number, because it can be changed into a prime (812057936681) 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 in 31 ways as a sum of consecutive naturals, for example, 184934707 + ... + 184939097.

It is an arithmetic number, because the mean of its divisors is an integer number (25790419116).

Almost surely, 2^812057936682 is an apocalyptic number.

812057936682 is an abundant number, since it is smaller than the sum of its proper divisors (838528886742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812057936682 is a wasteful number, since it uses less digits than its factorization.

812057936682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 812057936682 in words is "eight hundred twelve billion, fifty-seven million, nine hundred thirty-six thousand, six hundred eighty-two".