812276790 has 64 divisors (see below), whose sum is σ = 2209939200. Its totient is φ = 189419904.

The previous prime is 812276713. The next prime is 812276791. The reversal of 812276790 is 97672218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812276791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47400 + ... + 62219.

It is an arithmetic number, because the mean of its divisors is an integer number (34530300).

Almost surely, 2^812276790 is an apocalyptic number.

812276790 is an abundant number, since it is smaller than the sum of its proper divisors (1397662410).

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

812276790 is a wasteful number, since it uses less digits than its factorization.

812276790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109661.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 812276790 is about 28500.4699961246. The cubic root of 812276790 is about 933.0423317561.

The spelling of 812276790 in words is "eight hundred twelve million, two hundred seventy-six thousand, seven hundred ninety".