82575825757 has 2 divisors, whose sum is σ = 82575825758. Its totient is φ = 82575825756.

The previous prime is 82575825751. The next prime is 82575825769. The reversal of 82575825757 is 75752857528.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70282781881 + 12293043876 = 265109^2 + 110874^2 .

It is a cyclic number.

It is not a de Polignac number, because 82575825757 - 2¹¹ = 82575823709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82575825695 and 82575825704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82575825751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41287912878 + 41287912879.

It is an arithmetic number, because the mean of its divisors is an integer number (41287912879).

Almost surely, 2^82575825757 is an apocalyptic number.

It is an amenable number.

82575825757 is a deficient number, since it is larger than the sum of its proper divisors (1).

82575825757 is an equidigital number, since it uses as much as digits as its factorization.

82575825757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54880000, while the sum is 61.

The spelling of 82575825757 in words is "eighty-two billion, five hundred seventy-five million, eight hundred twenty-five thousand, seven hundred fifty-seven".