82844654026105 has 4 divisors (see below), whose sum is σ = 99413584831332. Its totient is φ = 66275723220880.

The previous prime is 82844654026093. The next prime is 82844654026109. The reversal of 82844654026105 is 50162045644828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21859112689129 + 60985541336976 = 4675373^2 + 7809324^2 .

It is not a de Polignac number, because 82844654026105 - 2⁷ = 82844654025977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82844654026109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8284465402606 + ... + 8284465402615.

It is an arithmetic number, because the mean of its divisors is an integer number (24853396207833).

Almost surely, 2^{82844654026105} is an apocalyptic number.

It is an amenable number.

82844654026105 is a deficient number, since it is larger than the sum of its proper divisors (16568930805227).

82844654026105 is a wasteful number, since it uses less digits than its factorization.

82844654026105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16568930805226.

The product of its (nonzero) digits is 14745600, while the sum is 55.

The spelling of 82844654026105 in words is "eighty-two trillion, eight hundred forty-four billion, six hundred fifty-four million, twenty-six thousand, one hundred five".