84372133 has 2 divisors, whose sum is σ = 84372134. Its totient is φ = 84372132.

The previous prime is 84372121. The next prime is 84372143. The reversal of 84372133 is 33127348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83484769 + 887364 = 9137^2 + 942^2 .

It is a cyclic number.

It is not a de Polignac number, because 84372133 - 2²¹ = 82274981 is a prime.

It is a super-3 number, since 3×84372133³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84372095 and 84372104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84372143) 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, 42186066 + 42186067.

It is an arithmetic number, because the mean of its divisors is an integer number (42186067).

Almost surely, 2^84372133 is an apocalyptic number.

It is an amenable number.

84372133 is a deficient number, since it is larger than the sum of its proper divisors (1).

84372133 is an equidigital number, since it uses as much as digits as its factorization.

84372133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 84372133 is about 9185.4304743980. The cubic root of 84372133 is about 438.5976928778.

The spelling of 84372133 in words is "eighty-four million, three hundred seventy-two thousand, one hundred thirty-three".