84113873 has 2 divisors, whose sum is σ = 84113874. Its totient is φ = 84113872.

The previous prime is 84113863. The next prime is 84113903. The reversal of 84113873 is 37831148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71031184 + 13082689 = 8428^2 + 3617^2 .

It is a cyclic number.

It is not a de Polignac number, because 84113873 - 2⁴ = 84113857 is a prime.

It is not a weakly prime, because it can be changed into another prime (84113863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42056936 + 42056937.

It is an arithmetic number, because the mean of its divisors is an integer number (42056937).

Almost surely, 2^84113873 is an apocalyptic number.

It is an amenable number.

84113873 is a deficient number, since it is larger than the sum of its proper divisors (1).

84113873 is an equidigital number, since it uses as much as digits as its factorization.

84113873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 84113873 is about 9171.3615674010. The cubic root of 84113873 is about 438.1497250195.

The spelling of 84113873 in words is "eighty-four million, one hundred thirteen thousand, eight hundred seventy-three".