83378736883313 has 2 divisors, whose sum is σ = 83378736883314. Its totient is φ = 83378736883312.

The previous prime is 83378736883303. The next prime is 83378736883427. The reversal of 83378736883313 is 31338863787338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81640748167729 + 1737988715584 = 9035527^2 + 1318328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83378736883313 is a prime.

It is not a weakly prime, because it can be changed into another prime (83378736883303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41689368441656 + 41689368441657.

It is an arithmetic number, because the mean of its divisors is an integer number (41689368441657).

Almost surely, 2^{83378736883313} is an apocalyptic number.

It is an amenable number.

83378736883313 is a deficient number, since it is larger than the sum of its proper divisors (1).

83378736883313 is an equidigital number, since it uses as much as digits as its factorization.

83378736883313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 877879296, while the sum is 71.

The spelling of 83378736883313 in words is "eighty-three trillion, three hundred seventy-eight billion, seven hundred thirty-six million, eight hundred eighty-three thousand, three hundred thirteen".