8272122794 has 12 divisors (see below), whose sum is σ = 13363409094. Its totient is φ = 3817688784.

The previous prime is 8272122791. The next prime is 8272122839. The reversal of 8272122794 is 4972212728.

It can be written as a sum of positive squares in 3 ways, for example, as 7963242169 + 308880625 = 89237^2 + 17575^2 .

It is not an unprimeable number, because it can be changed into a prime (8272122791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454844 + ... + 472680.

Almost surely, 2^8272122794 is an apocalyptic number.

8272122794 is a deficient number, since it is larger than the sum of its proper divisors (5091286300).

8272122794 is an frugal number, since it uses more digits than its factorization.

8272122794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35689 (or 17852 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The square root of 8272122794 is about 90951.2110639545. The cubic root of 8272122794 is about 2022.4245300274.

The spelling of 8272122794 in words is "eight billion, two hundred seventy-two million, one hundred twenty-two thousand, seven hundred ninety-four".