812723458704 has 40 divisors (see below), whose sum is σ = 2100103962720. Its totient is φ = 270834482688.

The previous prime is 812723458699. The next prime is 812723458717. The reversal of 812723458704 is 407854327218.

It is a happy number.

812723458704 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2112474 + ... + 2467385.

It is an arithmetic number, because the mean of its divisors is an integer number (52502599068).

Almost surely, 2^812723458704 is an apocalyptic number.

It is an amenable number.

812723458704 is an abundant number, since it is smaller than the sum of its proper divisors (1287380504016).

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

812723458704 is a wasteful number, since it uses less digits than its factorization.

812723458704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583567 (or 4583561 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 812723458704 in words is "eight hundred twelve billion, seven hundred twenty-three million, four hundred fifty-eight thousand, seven hundred four".