8291728522 has 48 divisors (see below), whose sum is σ = 15779102976. Its totient is φ = 3198492000.

The previous prime is 8291728519. The next prime is 8291728537. The reversal of 8291728522 is 2258271928.

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 23 ways as a sum of consecutive naturals, for example, 146863 + ... + 195325.

It is an arithmetic number, because the mean of its divisors is an integer number (328731312).

Almost surely, 2^8291728522 is an apocalyptic number.

8291728522 is a deficient number, since it is larger than the sum of its proper divisors (7487374454).

8291728522 is a wasteful number, since it uses less digits than its factorization.

8291728522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48595 (or 48584 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 8291728522 is about 91058.9288428104. The cubic root of 8291728522 is about 2024.0210497181.

The spelling of 8291728522 in words is "eight billion, two hundred ninety-one million, seven hundred twenty-eight thousand, five hundred twenty-two".