82026826225 has 12 divisors (see below), whose sum is σ = 107696398284. Its totient is φ = 61761374720.

The previous prime is 82026826223. The next prime is 82026826253. The reversal of 82026826225 is 52262862028.

It can be written as a sum of positive squares in 6 ways, for example, as 6062646769 + 75964179456 = 77863^2 + 275616^2 .

It is not a de Polignac number, because 82026826225 - 2¹ = 82026826223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82026826223) 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 in 11 ways as a sum of consecutive naturals, for example, 96501724 + ... + 96502573.

It is an arithmetic number, because the mean of its divisors is an integer number (8974699857).

Almost surely, 2^82026826225 is an apocalyptic number.

82026826225 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

82026826225 is a deficient number, since it is larger than the sum of its proper divisors (25669572059).

82026826225 is a wasteful number, since it uses less digits than its factorization.

82026826225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193004324 (or 193004319 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 82026826225 in words is "eighty-two billion, twenty-six million, eight hundred twenty-six thousand, two hundred twenty-five".