84671141 has 2 divisors, whose sum is σ = 84671142. Its totient is φ = 84671140.

The previous prime is 84671131. The next prime is 84671159. The reversal of 84671141 is 14117648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84364225 + 306916 = 9185^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 84671141 - 2²⁶ = 17562277 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84671098 and 84671107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84671131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42335570 + 42335571.

It is an arithmetic number, because the mean of its divisors is an integer number (42335571).

Almost surely, 2^84671141 is an apocalyptic number.

It is an amenable number.

84671141 is a deficient number, since it is larger than the sum of its proper divisors (1).

84671141 is an equidigital number, since it uses as much as digits as its factorization.

84671141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 32.

The square root of 84671141 is about 9201.6922900084. The cubic root of 84671141 is about 439.1152002471.

Adding to 84671141 its reverse (14117648), we get a palindrome (98788789).

The spelling of 84671141 in words is "eighty-four million, six hundred seventy-one thousand, one hundred forty-one".