812276248 has 16 divisors (see below), whose sum is σ = 1740592080. Its totient is φ = 348118368.

The previous prime is 812276237. The next prime is 812276261. The reversal of 812276248 is 842672218.

It is a self number, because there is not a number n which added to its sum of digits gives 812276248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7252411 + ... + 7252522.

It is an arithmetic number, because the mean of its divisors is an integer number (108787005).

Almost surely, 2^812276248 is an apocalyptic number.

It is an amenable number.

812276248 is an abundant number, since it is smaller than the sum of its proper divisors (928315832).

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

812276248 is a wasteful number, since it uses less digits than its factorization.

812276248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14504946 (or 14504942 counting only the distinct ones).

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

The square root of 812276248 is about 28500.4604875079. The cubic root of 812276248 is about 933.0421242287.

The spelling of 812276248 in words is "eight hundred twelve million, two hundred seventy-six thousand, two hundred forty-eight".