82576811781225 has 36 divisors (see below), whose sum is σ = 152675349795072. Its totient is φ = 42620289948000.

The previous prime is 82576811781209. The next prime is 82576811781257. The reversal of 82576811781225 is 52218711867528.

It is a happy number.

82576811781225 is a `hidden beast` number, since 8 + 257 + 6 + 81 + 1 + 7 + 81 + 225 = 666.

It is not a de Polignac number, because 82576811781225 - 2⁴ = 82576811781209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5919477741 + ... + 5919491690.

It is an arithmetic number, because the mean of its divisors is an integer number (4240981938752).

Almost surely, 2^{82576811781225} is an apocalyptic number.

It is an amenable number.

82576811781225 is a deficient number, since it is larger than the sum of its proper divisors (70098538013847).

82576811781225 is a wasteful number, since it uses less digits than its factorization.

82576811781225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11838969478 (or 11838969470 counting only the distinct ones).

The product of its digits is 30105600, while the sum is 63.

The spelling of 82576811781225 in words is "eighty-two trillion, five hundred seventy-six billion, eight hundred eleven million, seven hundred eighty-one thousand, two hundred twenty-five".