83121576383 has 2 divisors, whose sum is σ = 83121576384. Its totient is φ = 83121576382.

The previous prime is 83121576311. The next prime is 83121576389. The reversal of 83121576383 is 38367512138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83121576383 - 2⁸ = 83121576127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83121576389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41560788191 + 41560788192.

It is an arithmetic number, because the mean of its divisors is an integer number (41560788192).

Almost surely, 2^83121576383 is an apocalyptic number.

83121576383 is a deficient number, since it is larger than the sum of its proper divisors (1).

83121576383 is an equidigital number, since it uses as much as digits as its factorization.

83121576383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The spelling of 83121576383 in words is "eighty-three billion, one hundred twenty-one million, five hundred seventy-six thousand, three hundred eighty-three".