83541722237 has 2 divisors, whose sum is σ = 83541722238. Its totient is φ = 83541722236.

The previous prime is 83541722233. The next prime is 83541722273. The reversal of 83541722237 is 73222714538.

Together with next prime (83541722273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49111435321 + 34430286916 = 221611^2 + 185554^2 .

It is a cyclic number.

It is not a de Polignac number, because 83541722237 - 2² = 83541722233 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83541722233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41770861118 + 41770861119.

It is an arithmetic number, because the mean of its divisors is an integer number (41770861119).

Almost surely, 2^83541722237 is an apocalyptic number.

It is an amenable number.

83541722237 is a deficient number, since it is larger than the sum of its proper divisors (1).

83541722237 is an equidigital number, since it uses as much as digits as its factorization.

83541722237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 44.

The spelling of 83541722237 in words is "eighty-three billion, five hundred forty-one million, seven hundred twenty-two thousand, two hundred thirty-seven".