85420164283 has 2 divisors, whose sum is σ = 85420164284. Its totient is φ = 85420164282.

The previous prime is 85420164253. The next prime is 85420164311. The reversal of 85420164283 is 38246102458.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85420164283 - 2¹⁷ = 85420033211 is a prime.

It is a super-2 number, since 2×85420164283² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85420164233) 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, 42710082141 + 42710082142.

It is an arithmetic number, because the mean of its divisors is an integer number (42710082142).

Almost surely, 2^85420164283 is an apocalyptic number.

85420164283 is a deficient number, since it is larger than the sum of its proper divisors (1).

85420164283 is an equidigital number, since it uses as much as digits as its factorization.

85420164283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 85420164283 in words is "eighty-five billion, four hundred twenty million, one hundred sixty-four thousand, two hundred eighty-three".