86771 has 2 divisors, whose sum is σ = 86772. Its totient is φ = 86770.

The previous prime is 86767. The next prime is 86783. The reversal of 86771 is 17768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86771 - 2² = 86767 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (86711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43385 + 43386.

It is an arithmetic number, because the mean of its divisors is an integer number (43386).

2⁸⁶⁷⁷¹ is an apocalyptic number.

86771 is a deficient number, since it is larger than the sum of its proper divisors (1).

86771 is an equidigital number, since it uses as much as digits as its factorization.

86771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 29.

The square root of 86771 is about 294.5691769347. The cubic root of 86771 is about 44.2715642817.

The spelling of 86771 in words is "eighty-six thousand, seven hundred seventy-one".