8196086957 has 2 divisors, whose sum is σ = 8196086958. Its totient is φ = 8196086956.

The previous prime is 8196086947. The next prime is 8196086999. The reversal of 8196086957 is 7596806918.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6481216036 + 1714870921 = 80506^2 + 41411^2 .

It is a cyclic number.

It is not a de Polignac number, because 8196086957 - 2²⁰ = 8195038381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8196086896 and 8196086905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8196086917) 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 as a sum of consecutive naturals, namely, 4098043478 + 4098043479.

It is an arithmetic number, because the mean of its divisors is an integer number (4098043479).

Almost surely, 2^8196086957 is an apocalyptic number.

It is an amenable number.

8196086957 is a deficient number, since it is larger than the sum of its proper divisors (1).

8196086957 is an equidigital number, since it uses as much as digits as its factorization.

8196086957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The square root of 8196086957 is about 90532.2426376371. The cubic root of 8196086957 is about 2016.2088612823.

The spelling of 8196086957 in words is "eight billion, one hundred ninety-six million, eighty-six thousand, nine hundred fifty-seven".