82172306422801 has 16 divisors (see below), whose sum is σ = 99191287843200. Its totient is φ = 66498649031808.

The previous prime is 82172306422741. The next prime is 82172306422847. The reversal of 82172306422801 is 10822460327128.

It is not a de Polignac number, because 82172306422801 - 2¹⁵ = 82172306390033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82172306422601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054290196 + ... + 1054368133.

It is an arithmetic number, because the mean of its divisors is an integer number (6199455490200).

Almost surely, 2^{82172306422801} is an apocalyptic number.

It is an amenable number.

82172306422801 is a deficient number, since it is larger than the sum of its proper divisors (17018981420399).

82172306422801 is a wasteful number, since it uses less digits than its factorization.

82172306422801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108658648.

The product of its (nonzero) digits is 516096, while the sum is 46.

Adding to 82172306422801 its reverse (10822460327128), we get a palindrome (92994766749929).

The spelling of 82172306422801 in words is "eighty-two trillion, one hundred seventy-two billion, three hundred six million, four hundred twenty-two thousand, eight hundred one".