812577111032 has 16 divisors (see below), whose sum is σ = 1572729892800. Its totient is φ = 393182472960.

The previous prime is 812577111019. The next prime is 812577111097. The reversal of 812577111032 is 230111775218.

It is a happy number.

It is a super-2 number, since 2×812577111032² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638260057 + ... + 1638260552.

It is an arithmetic number, because the mean of its divisors is an integer number (98295618300).

Almost surely, 2^812577111032 is an apocalyptic number.

It is an amenable number.

812577111032 is a deficient number, since it is larger than the sum of its proper divisors (760152781768).

812577111032 is a wasteful number, since it uses less digits than its factorization.

812577111032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276520646 (or 3276520642 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 38.

The spelling of 812577111032 in words is "eight hundred twelve billion, five hundred seventy-seven million, one hundred eleven thousand, thirty-two".