812838795 has 8 divisors (see below), whose sum is σ = 1300542096. Its totient is φ = 433514016.

The previous prime is 812838787. The next prime is 812838797. The reversal of 812838795 is 597838218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 812838795 - 2³ = 812838787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (812838797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27094612 + ... + 27094641.

It is an arithmetic number, because the mean of its divisors is an integer number (162567762).

Almost surely, 2^812838795 is an apocalyptic number.

812838795 is a deficient number, since it is larger than the sum of its proper divisors (487703301).

812838795 is a wasteful number, since it uses less digits than its factorization.

812838795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54189261.

The product of its digits is 967680, while the sum is 51.

The square root of 812838795 is about 28510.3278655297. The cubic root of 812838795 is about 933.2574692447.

The spelling of 812838795 in words is "eight hundred twelve million, eight hundred thirty-eight thousand, seven hundred ninety-five".