8382278897 has 2 divisors, whose sum is σ = 8382278898. Its totient is φ = 8382278896.

The previous prime is 8382278851. The next prime is 8382278909. The reversal of 8382278897 is 7988722838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8366943841 + 15335056 = 91471^2 + 3916^2 .

It is a cyclic number.

It is not a de Polignac number, because 8382278897 - 2⁶ = 8382278833 is a prime.

It is not a weakly prime, because it can be changed into another prime (8382278297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4191139448 + 4191139449.

It is an arithmetic number, because the mean of its divisors is an integer number (4191139449).

Almost surely, 2^8382278897 is an apocalyptic number.

It is an amenable number.

8382278897 is a deficient number, since it is larger than the sum of its proper divisors (1).

8382278897 is an equidigital number, since it uses as much as digits as its factorization.

8382278897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21676032, while the sum is 62.

The square root of 8382278897 is about 91554.7863139880. The cubic root of 8382278897 is about 2031.3622100164.

The spelling of 8382278897 in words is "eight billion, three hundred eighty-two million, two hundred seventy-eight thousand, eight hundred ninety-seven".