85677271 has 2 divisors, whose sum is σ = 85677272. Its totient is φ = 85677270.

The previous prime is 85677257. The next prime is 85677283. The reversal of 85677271 is 17277658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85677271 - 2⁵ = 85677239 is a prime.

It is a super-3 number, since 3×85677271³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85677871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42838635 + 42838636.

It is an arithmetic number, because the mean of its divisors is an integer number (42838636).

Almost surely, 2^85677271 is an apocalyptic number.

85677271 is a deficient number, since it is larger than the sum of its proper divisors (1).

85677271 is an equidigital number, since it uses as much as digits as its factorization.

85677271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164640, while the sum is 43.

The square root of 85677271 is about 9256.2017588209. The cubic root of 85677271 is about 440.8476617266.

The spelling of 85677271 in words is "eighty-five million, six hundred seventy-seven thousand, two hundred seventy-one".