812258795 has 4 divisors (see below), whose sum is σ = 974710560. Its totient is φ = 649807032.

The previous prime is 812258791. The next prime is 812258849. The reversal of 812258795 is 597852218.

812258795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 812258795 - 2² = 812258791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (812258791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81225875 + ... + 81225884.

It is an arithmetic number, because the mean of its divisors is an integer number (243677640).

Almost surely, 2^812258795 is an apocalyptic number.

812258795 is a deficient number, since it is larger than the sum of its proper divisors (162451765).

812258795 is a wasteful number, since it uses less digits than its factorization.

812258795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162451764.

The product of its digits is 403200, while the sum is 47.

The square root of 812258795 is about 28500.1542978279. The cubic root of 812258795 is about 933.0354415676.

The spelling of 812258795 in words is "eight hundred twelve million, two hundred fifty-eight thousand, seven hundred ninety-five".