860659271 has 2 divisors, whose sum is σ = 860659272. Its totient is φ = 860659270.

The previous prime is 860659229. The next prime is 860659273. The reversal of 860659271 is 172956068.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-860659271 is a prime.

Together with 860659273, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_44099837 and since 860659271 and 44099837 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860659273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430329635 + 430329636.

It is an arithmetic number, because the mean of its divisors is an integer number (430329636).

Almost surely, 2^860659271 is an apocalyptic number.

860659271 is a deficient number, since it is larger than the sum of its proper divisors (1).

860659271 is an equidigital number, since it uses as much as digits as its factorization.

860659271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 860659271 is about 29336.9949210890. The cubic root of 860659271 is about 951.2114815558.

The spelling of 860659271 in words is "eight hundred sixty million, six hundred fifty-nine thousand, two hundred seventy-one".