83128838524357 has 2 divisors, whose sum is σ = 83128838524358. Its totient is φ = 83128838524356.

The previous prime is 83128838524309. The next prime is 83128838524441. The reversal of 83128838524357 is 75342583882138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64055275930116 + 19073562594241 = 8003454^2 + 4367329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83128838524357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83128838524292 and 83128838524301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83128838524757) 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, 41564419262178 + 41564419262179.

It is an arithmetic number, because the mean of its divisors is an integer number (41564419262179).

Almost surely, 2^{83128838524357} is an apocalyptic number.

It is an amenable number.

83128838524357 is a deficient number, since it is larger than the sum of its proper divisors (1).

83128838524357 is an equidigital number, since it uses as much as digits as its factorization.

83128838524357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 309657600, while the sum is 67.

The spelling of 83128838524357 in words is "eighty-three trillion, one hundred twenty-eight billion, eight hundred thirty-eight million, five hundred twenty-four thousand, three hundred fifty-seven".