83591298017 has 2 divisors, whose sum is σ = 83591298018. Its totient is φ = 83591298016.

The previous prime is 83591297989. The next prime is 83591298083. The reversal of 83591298017 is 71089219538.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71353628641 + 12237669376 = 267121^2 + 110624^2 .

It is a cyclic number.

It is not a de Polignac number, because 83591298017 - 2⁸ = 83591297761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83591298017.

It is not a weakly prime, because it can be changed into another prime (83591298517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41795649008 + 41795649009.

It is an arithmetic number, because the mean of its divisors is an integer number (41795649009).

Almost surely, 2^83591298017 is an apocalyptic number.

It is an amenable number.

83591298017 is a deficient number, since it is larger than the sum of its proper divisors (1).

83591298017 is an equidigital number, since it uses as much as digits as its factorization.

83591298017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 83591298017 in words is "eighty-three billion, five hundred ninety-one million, two hundred ninety-eight thousand, seventeen".