84170085133 has 2 divisors, whose sum is σ = 84170085134. Its totient is φ = 84170085132.

The previous prime is 84170085119. The next prime is 84170085151. The reversal of 84170085133 is 33158007148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81894985929 + 2275099204 = 286173^2 + 47698^2 .

It is a cyclic number.

It is not a de Polignac number, because 84170085133 - 2¹³ = 84170076941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84170085833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42085042566 + 42085042567.

It is an arithmetic number, because the mean of its divisors is an integer number (42085042567).

Almost surely, 2^84170085133 is an apocalyptic number.

It is an amenable number.

84170085133 is a deficient number, since it is larger than the sum of its proper divisors (1).

84170085133 is an equidigital number, since it uses as much as digits as its factorization.

84170085133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 84170085133 in words is "eighty-four billion, one hundred seventy million, eighty-five thousand, one hundred thirty-three".