8398625971 has 2 divisors, whose sum is σ = 8398625972. Its totient is φ = 8398625970.

The previous prime is 8398625947. The next prime is 8398626001. The reversal of 8398625971 is 1795268938.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8398625971 - 2¹⁹ = 8398101683 is a prime.

It is not a weakly prime, because it can be changed into another prime (8398623971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4199312985 + 4199312986.

It is an arithmetic number, because the mean of its divisors is an integer number (4199312986).

Almost surely, 2^8398625971 is an apocalyptic number.

8398625971 is a deficient number, since it is larger than the sum of its proper divisors (1).

8398625971 is an equidigital number, since it uses as much as digits as its factorization.

8398625971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 58.

The square root of 8398625971 is about 91644.0176498172. The cubic root of 8398625971 is about 2032.6818696437.

The spelling of 8398625971 in words is "eight billion, three hundred ninety-eight million, six hundred twenty-five thousand, nine hundred seventy-one".