812264827 has 8 divisors (see below), whose sum is σ = 886964400. Its totient is φ = 737708160.

The previous prime is 812264813. The next prime is 812264833. The reversal of 812264827 is 728462218.

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

It is a cyclic number.

It is not a de Polignac number, because 812264827 - 2⁷ = 812264699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 812264827.

It is not an unprimeable number, because it can be changed into a prime (812264897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23658 + ... + 46735.

It is an arithmetic number, because the mean of its divisors is an integer number (110870550).

Almost surely, 2^812264827 is an apocalyptic number.

812264827 is a deficient number, since it is larger than the sum of its proper divisors (74699573).

812264827 is a wasteful number, since it uses less digits than its factorization.

812264827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71453.

The product of its digits is 86016, while the sum is 40.

The square root of 812264827 is about 28500.2601216199. The cubic root of 812264827 is about 933.0377511992.

The spelling of 812264827 in words is "eight hundred twelve million, two hundred sixty-four thousand, eight hundred twenty-seven".