85665201283 has 2 divisors, whose sum is σ = 85665201284. Its totient is φ = 85665201282.

The previous prime is 85665201173. The next prime is 85665201317. The reversal of 85665201283 is 38210256658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85665201283 - 2¹³ = 85665193091 is a prime.

It is not a weakly prime, because it can be changed into another prime (85665241283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42832600641 + 42832600642.

It is an arithmetic number, because the mean of its divisors is an integer number (42832600642).

Almost surely, 2^85665201283 is an apocalyptic number.

85665201283 is a deficient number, since it is larger than the sum of its proper divisors (1).

85665201283 is an equidigital number, since it uses as much as digits as its factorization.

85665201283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 85665201283 in words is "eighty-five billion, six hundred sixty-five million, two hundred one thousand, two hundred eighty-three".