8657229522889 has 2 divisors, whose sum is σ = 8657229522890. Its totient is φ = 8657229522888.

The previous prime is 8657229522791. The next prime is 8657229522899. The reversal of 8657229522889 is 9882259227568.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6062256487225 + 2594973035664 = 2462165^2 + 1610892^2 .

It is a cyclic number.

It is not a de Polignac number, because 8657229522889 - 2³⁷ = 8519790569417 is a prime.

It is not a weakly prime, because it can be changed into another prime (8657229522899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4328614761444 + 4328614761445.

It is an arithmetic number, because the mean of its divisors is an integer number (4328614761445).

Almost surely, 2^{8657229522889} is an apocalyptic number.

It is an amenable number.

8657229522889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8657229522889 is an equidigital number, since it uses as much as digits as its factorization.

8657229522889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 696729600, while the sum is 73.

The spelling of 8657229522889 in words is "eight trillion, six hundred fifty-seven billion, two hundred twenty-nine million, five hundred twenty-two thousand, eight hundred eighty-nine".