8666298959057 has 2 divisors, whose sum is σ = 8666298959058. Its totient is φ = 8666298959056.

The previous prime is 8666298959041. The next prime is 8666298959069. The reversal of 8666298959057 is 7509598926668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6894620829121 + 1771678129936 = 2625761^2 + 1331044^2 .

It is a cyclic number.

It is not a de Polignac number, because 8666298959057 - 2⁴ = 8666298959041 is a prime.

It is not a weakly prime, because it can be changed into another prime (8666298959027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4333149479528 + 4333149479529.

It is an arithmetic number, because the mean of its divisors is an integer number (4333149479529).

Almost surely, 2^{8666298959057} is an apocalyptic number.

It is an amenable number.

8666298959057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8666298959057 is an equidigital number, since it uses as much as digits as its factorization.

8666298959057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3527193600, while the sum is 80.

The spelling of 8666298959057 in words is "eight trillion, six hundred sixty-six billion, two hundred ninety-eight million, nine hundred fifty-nine thousand, fifty-seven".