83098959398657 has 2 divisors, whose sum is σ = 83098959398658. Its totient is φ = 83098959398656.

The previous prime is 83098959398621. The next prime is 83098959398723. The reversal of 83098959398657 is 75689395989038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69161161709761 + 13937797688896 = 8316319^2 + 3733336^2 .

It is a cyclic number.

It is not a de Polignac number, because 83098959398657 - 2⁸ = 83098959398401 is a prime.

It is not a weakly prime, because it can be changed into another prime (83098959298657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41549479699328 + 41549479699329.

It is an arithmetic number, because the mean of its divisors is an integer number (41549479699329).

Almost surely, 2^{83098959398657} is an apocalyptic number.

It is an amenable number.

83098959398657 is a deficient number, since it is larger than the sum of its proper divisors (1).

83098959398657 is an equidigital number, since it uses as much as digits as its factorization.

83098959398657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31744742400, while the sum is 89.

The spelling of 83098959398657 in words is "eighty-three trillion, ninety-eight billion, nine hundred fifty-nine million, three hundred ninety-eight thousand, six hundred fifty-seven".