82093657 has 2 divisors, whose sum is σ = 82093658. Its totient is φ = 82093656.

The previous prime is 82093651. The next prime is 82093667. The reversal of 82093657 is 75639028.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81920601 + 173056 = 9051^2 + 416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82093657 is a prime.

It is not a weakly prime, because it can be changed into another prime (82093651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41046828 + 41046829.

It is an arithmetic number, because the mean of its divisors is an integer number (41046829).

Almost surely, 2^82093657 is an apocalyptic number.

It is an amenable number.

82093657 is a deficient number, since it is larger than the sum of its proper divisors (1).

82093657 is an equidigital number, since it uses as much as digits as its factorization.

82093657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 82093657 is about 9060.5550050756. Note that the first 3 decimals coincide. The cubic root of 82093657 is about 434.6134885319.

The spelling of 82093657 in words is "eighty-two million, ninety-three thousand, six hundred fifty-seven".