812740613814 has 24 divisors (see below), whose sum is σ = 1760974740720. Its totient is φ = 270907885008.

The previous prime is 812740613807. The next prime is 812740613827. The reversal of 812740613814 is 418316047218.

812740613814 is a `hidden beast` number, since 8 + 1 + 27 + 4 + 0 + 613 + 8 + 1 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 812740613814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465892 + ... + 1357400.

It is an arithmetic number, because the mean of its divisors is an integer number (73373947530).

Almost surely, 2^812740613814 is an apocalyptic number.

812740613814 is an abundant number, since it is smaller than the sum of its proper divisors (948234126906).

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

812740613814 is a wasteful number, since it uses less digits than its factorization.

812740613814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942164 (or 942161 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 812740613814 in words is "eight hundred twelve billion, seven hundred forty million, six hundred thirteen thousand, eight hundred fourteen".