8285914729 has 9 divisors (see below), whose sum is σ = 8343383671. Its totient is φ = 8228840800.

The previous prime is 8285914709. The next prime is 8285914751. The reversal of 8285914729 is 9274195828.

The square root of 8285914729 is 91027.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8203468329 + 82446400 = 90573^2 + 9080^2 .

It is not a de Polignac number, because 8285914729 - 2²⁵ = 8252360297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8285914729.

It is not an unprimeable number, because it can be changed into a prime (8285914709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20662929 + ... + 20663329.

Almost surely, 2^8285914729 is an apocalyptic number.

8285914729 is the 91027-th square number.

8285914729 is the 45514-th centered octagonal number.

It is an amenable number.

8285914729 is a deficient number, since it is larger than the sum of its proper divisors (57468942).

8285914729 is an frugal number, since it uses more digits than its factorization.

8285914729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 628 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 55.

The cubic root of 8285914729 is about 2023.5478877924.

The spelling of 8285914729 in words is "eight billion, two hundred eighty-five million, nine hundred fourteen thousand, seven hundred twenty-nine".