728522225827 has 16 divisors (see below), whose sum is σ = 822723101280. Its totient is φ = 639014745600.

The previous prime is 728522225801. The next prime is 728522225861.

728522225827 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 728522225827 - 2¹⁹ = 728521701539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728522225527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322374 + ... + 1249387.

It is an arithmetic number, because the mean of its divisors is an integer number (51420193830).

Almost surely, 2^728522225827 is an apocalyptic number.

728522225827 is a deficient number, since it is larger than the sum of its proper divisors (94200875453).

728522225827 is a wasteful number, since it uses less digits than its factorization.

728522225827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573254.

The product of its digits is 5017600, while the sum is 52.

The spelling of 728522225827 in words is "seven hundred twenty-eight billion, five hundred twenty-two million, two hundred twenty-five thousand, eight hundred twenty-seven".