8225729788 has 12 divisors (see below), whose sum is σ = 14395835160. Its totient is φ = 4112634032.

The previous prime is 8225729761. The next prime is 8225729807. The reversal of 8225729788 is 8879275228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41343 + ... + 134761.

It is an arithmetic number, because the mean of its divisors is an integer number (1199652930).

Almost surely, 2^8225729788 is an apocalyptic number.

It is an amenable number.

8225729788 is a deficient number, since it is larger than the sum of its proper divisors (6170105372).

8225729788 is a wasteful number, since it uses less digits than its factorization.

8225729788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115436 (or 115434 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 58.

The square root of 8225729788 is about 90695.8090983260. The cubic root of 8225729788 is about 2018.6366145546.

The spelling of 8225729788 in words is "eight billion, two hundred twenty-five million, seven hundred twenty-nine thousand, seven hundred eighty-eight".