812928794 has 8 divisors (see below), whose sum is σ = 1283571840. Its totient is φ = 385071516.

The previous prime is 812928791. The next prime is 812928817. The reversal of 812928794 is 497829218.

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

It is a super-2 number, since 2×812928794² = 1321706448228588872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (812928791) 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, 10696394 + ... + 10696469.

It is an arithmetic number, because the mean of its divisors is an integer number (160446480).

Almost surely, 2^812928794 is an apocalyptic number.

812928794 is a deficient number, since it is larger than the sum of its proper divisors (470643046).

812928794 is a wasteful number, since it uses less digits than its factorization.

812928794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21392884.

The product of its digits is 580608, while the sum is 50.

The square root of 812928794 is about 28511.9061796997. The cubic root of 812928794 is about 933.2919119656.

The spelling of 812928794 in words is "eight hundred twelve million, nine hundred twenty-eight thousand, seven hundred ninety-four".