83359289857 has 2 divisors, whose sum is σ = 83359289858. Its totient is φ = 83359289856.

The previous prime is 83359289833. The next prime is 83359289869. The reversal of 83359289857 is 75898295338.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60573085456 + 22786204401 = 246116^2 + 150951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83359289857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83359289792 and 83359289801.

It is not a weakly prime, because it can be changed into another prime (83359289257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41679644928 + 41679644929.

It is an arithmetic number, because the mean of its divisors is an integer number (41679644929).

Almost surely, 2^83359289857 is an apocalyptic number.

It is an amenable number.

83359289857 is a deficient number, since it is larger than the sum of its proper divisors (1).

83359289857 is an equidigital number, since it uses as much as digits as its factorization.

83359289857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130636800, while the sum is 67.

The spelling of 83359289857 in words is "eighty-three billion, three hundred fifty-nine million, two hundred eighty-nine thousand, eight hundred fifty-seven".