9275885729 has 16 divisors (see below), whose sum is σ = 10818437760. Its totient is φ = 7859516160.

The previous prime is 9275885713. The next prime is 9275885743.

It is a happy number.

9275885729 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9275885729 - 2⁴ = 9275885713 is a prime.

It is a super-2 number, since 2×9275885729² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9275885779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221534 + ... + 260055.

It is an arithmetic number, because the mean of its divisors is an integer number (676152360).

Almost surely, 2^9275885729 is an apocalyptic number.

It is an amenable number.

9275885729 is a deficient number, since it is larger than the sum of its proper divisors (1542552031).

9275885729 is a wasteful number, since it uses less digits than its factorization.

9275885729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481720.

The product of its digits is 25401600, while the sum is 62.

The square root of 9275885729 is about 96311.3997873564. The cubic root of 9275885729 is about 2101.1245472832.

The spelling of 9275885729 in words is "nine billion, two hundred seventy-five million, eight hundred eighty-five thousand, seven hundred twenty-nine".