83844550570379 has 2 divisors, whose sum is σ = 83844550570380. Its totient is φ = 83844550570378.

The previous prime is 83844550570303. The next prime is 83844550570421. The reversal of 83844550570379 is 97307505544838.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83844550570379 is a prime.

It is not a weakly prime, because it can be changed into another prime (83844550570579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41922275285189 + 41922275285190.

It is an arithmetic number, because the mean of its divisors is an integer number (41922275285190).

Almost surely, 2^{83844550570379} is an apocalyptic number.

83844550570379 is a deficient number, since it is larger than the sum of its proper divisors (1).

83844550570379 is an equidigital number, since it uses as much as digits as its factorization.

83844550570379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032000, while the sum is 68.

The spelling of 83844550570379 in words is "eighty-three trillion, eight hundred forty-four billion, five hundred fifty million, five hundred seventy thousand, three hundred seventy-nine".