8197853764 has 27 divisors (see below), whose sum is σ = 15245506717. Its totient is φ = 3856364864.

The previous prime is 8197853761. The next prime is 8197853767. The reversal of 8197853764 is 4673587918.

The square root of 8197853764 is 90542.

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

It is an interprime number because it is at equal distance from previous prime (8197853761) and next prime (8197853767).

It can be written as a sum of positive squares in only one way, i.e., 6382412100 + 1815441664 = 79890^2 + 42608^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8197853699 and 8197853708.

It is not an unprimeable number, because it can be changed into a prime (8197853761) 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 8 ways as a sum of consecutive naturals, for example, 3077097 + ... + 3079759.

Almost surely, 2^8197853764 is an apocalyptic number.

8197853764 is the 90542-nd square number.

It is an amenable number.

8197853764 is a deficient number, since it is larger than the sum of its proper divisors (7047652953).

8197853764 is an equidigital number, since it uses as much as digits as its factorization.

8197853764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364 (or 2682 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 58.

The cubic root of 8197853764 is about 2016.3537269973.

The spelling of 8197853764 in words is "eight billion, one hundred ninety-seven million, eight hundred fifty-three thousand, seven hundred sixty-four".