85283380129 has 2 divisors, whose sum is σ = 85283380130. Its totient is φ = 85283380128.

The previous prime is 85283380111. The next prime is 85283380223. The reversal of 85283380129 is 92108338258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74498973025 + 10784407104 = 272945^2 + 103848^2 .

It is a cyclic number.

It is not a de Polignac number, because 85283380129 - 2¹⁹ = 85282855841 is a prime.

It is a super-3 number, since 3×85283380129³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (85283380729) 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, 42641690064 + 42641690065.

It is an arithmetic number, because the mean of its divisors is an integer number (42641690065).

Almost surely, 2^85283380129 is an apocalyptic number.

It is an amenable number.

85283380129 is a deficient number, since it is larger than the sum of its proper divisors (1).

85283380129 is an equidigital number, since it uses as much as digits as its factorization.

85283380129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 85283380129 in words is "eighty-five billion, two hundred eighty-three million, three hundred eighty thousand, one hundred twenty-nine".