812383276 has 24 divisors (see below), whose sum is σ = 1494178560. Its totient is φ = 385729872.

The previous prime is 812383259. The next prime is 812383277. The reversal of 812383276 is 672383218.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (812383277) 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, 18976 + ... + 44551.

It is an arithmetic number, because the mean of its divisors is an integer number (62257440).

Almost surely, 2^812383276 is an apocalyptic number.

It is an amenable number.

812383276 is a deficient number, since it is larger than the sum of its proper divisors (681795284).

812383276 is a wasteful number, since it uses less digits than its factorization.

812383276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63693 (or 63691 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 812383276 is about 28502.3380795331. The cubic root of 812383276 is about 933.0831025892.

The spelling of 812383276 in words is "eight hundred twelve million, three hundred eighty-three thousand, two hundred seventy-six".