82144872837 has 6 divisors (see below), whose sum is σ = 118653705222. Its totient is φ = 54763248552.

The previous prime is 82144872827. The next prime is 82144872839. The reversal of 82144872837 is 73827844128.

82144872837 is a `hidden beast` number, since 82 + 1 + 4 + 487 + 2 + 83 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 81356723361 + 788149476 = 285231^2 + 28074^2 .

It is not a de Polignac number, because 82144872837 - 2¹⁰ = 82144871813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82144872839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4563604038 + ... + 4563604055.

It is an arithmetic number, because the mean of its divisors is an integer number (19775617537).

Almost surely, 2^82144872837 is an apocalyptic number.

It is an amenable number.

82144872837 is a deficient number, since it is larger than the sum of its proper divisors (36508832385).

82144872837 is a wasteful number, since it uses less digits than its factorization.

82144872837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9127208099 (or 9127208096 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 54.

The spelling of 82144872837 in words is "eighty-two billion, one hundred forty-four million, eight hundred seventy-two thousand, eight hundred thirty-seven".