812599753852 has 12 divisors (see below), whose sum is σ = 1423212332976. Its totient is φ = 405967658720.

The previous prime is 812599753837. The next prime is 812599753871. The reversal of 812599753852 is 258357995218.

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, 83049049 + ... + 83058832.

It is an arithmetic number, because the mean of its divisors is an integer number (118601027748).

Almost surely, 2^812599753852 is an apocalyptic number.

It is an amenable number.

812599753852 is a deficient number, since it is larger than the sum of its proper divisors (610612579124).

812599753852 is a wasteful number, since it uses less digits than its factorization.

812599753852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166109108 (or 166109106 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 64.

The spelling of 812599753852 in words is "eight hundred twelve billion, five hundred ninety-nine million, seven hundred fifty-three thousand, eight hundred fifty-two".