82755397 has 2 divisors, whose sum is σ = 82755398. Its totient is φ = 82755396.

The previous prime is 82755389. The next prime is 82755443. The reversal of 82755397 is 79355728.

It is an a-pointer prime, because the next prime (82755443) can be obtained adding 82755397 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71673156 + 11082241 = 8466^2 + 3329^2 .

It is a cyclic number.

It is not a de Polignac number, because 82755397 - 2³ = 82755389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82755797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41377698 + 41377699.

It is an arithmetic number, because the mean of its divisors is an integer number (41377699).

Almost surely, 2^82755397 is an apocalyptic number.

It is an amenable number.

82755397 is a deficient number, since it is larger than the sum of its proper divisors (1).

82755397 is an equidigital number, since it uses as much as digits as its factorization.

82755397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 46.

The square root of 82755397 is about 9096.9993404419. Note that the first 3 decimals coincide. The cubic root of 82755397 is about 435.7781412715.

The spelling of 82755397 in words is "eighty-two million, seven hundred fifty-five thousand, three hundred ninety-seven".