812294568 has 96 divisors (see below), whose sum is σ = 2291103360. Its totient is φ = 269619840.

The previous prime is 812294563. The next prime is 812294573. The reversal of 812294568 is 865492218.

812294568 is a `hidden beast` number, since 81 + 2 + 2 + 9 + 4 + 568 = 666.

It is an interprime number because it is at equal distance from previous prime (812294563) and next prime (812294573).

It is not an unprimeable number, because it can be changed into a prime (812294563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 545521 + ... + 547007.

It is an arithmetic number, because the mean of its divisors is an integer number (23865660).

Almost surely, 2^812294568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812294568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145551680).

812294568 is an abundant number, since it is smaller than the sum of its proper divisors (1478808792).

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

812294568 is a wasteful number, since it uses less digits than its factorization.

812294568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1773 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 812294568 is about 28500.7818840115. The cubic root of 812294568 is about 933.0491387566.

The spelling of 812294568 in words is "eight hundred twelve million, two hundred ninety-four thousand, five hundred sixty-eight".