82357438357 has 2 divisors, whose sum is σ = 82357438358. Its totient is φ = 82357438356.

The previous prime is 82357438337. The next prime is 82357438367. The reversal of 82357438357 is 75383475328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79674094756 + 2683343601 = 282266^2 + 51801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82357438357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82357438298 and 82357438307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82357438327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41178719178 + 41178719179.

It is an arithmetic number, because the mean of its divisors is an integer number (41178719179).

Almost surely, 2^82357438357 is an apocalyptic number.

It is an amenable number.

82357438357 is a deficient number, since it is larger than the sum of its proper divisors (1).

82357438357 is an equidigital number, since it uses as much as digits as its factorization.

82357438357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16934400, while the sum is 55.

The spelling of 82357438357 in words is "eighty-two billion, three hundred fifty-seven million, four hundred thirty-eight thousand, three hundred fifty-seven".