8429712822 has 16 divisors (see below), whose sum is σ = 18732695280. Its totient is φ = 2809904256.

The previous prime is 8429712787. The next prime is 8429712829. The reversal of 8429712822 is 2282179248.

It is a happy number.

8429712822 is a `hidden beast` number, since 84 + 297 + 1 + 282 + 2 = 666.

It is a super-2 number, since 2×8429712822² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8429712829) 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, 78052843 + ... + 78052950.

It is an arithmetic number, because the mean of its divisors is an integer number (1170793455).

Almost surely, 2^8429712822 is an apocalyptic number.

8429712822 is an abundant number, since it is smaller than the sum of its proper divisors (10302982458).

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

8429712822 is a wasteful number, since it uses less digits than its factorization.

8429712822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156105804 (or 156105798 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 8429712822 is about 91813.4675415323. The cubic root of 8429712822 is about 2035.1867188372.

The spelling of 8429712822 in words is "eight billion, four hundred twenty-nine million, seven hundred twelve thousand, eight hundred twenty-two".