86771039 has 2 divisors, whose sum is σ = 86771040. Its totient is φ = 86771038.

The previous prime is 86771023. The next prime is 86771051. The reversal of 86771039 is 93017768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86771039 - 2⁴ = 86771023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86770987 and 86771005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86771239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43385519 + 43385520.

It is an arithmetic number, because the mean of its divisors is an integer number (43385520).

Almost surely, 2^86771039 is an apocalyptic number.

86771039 is a deficient number, since it is larger than the sum of its proper divisors (1).

86771039 is an equidigital number, since it uses as much as digits as its factorization.

86771039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 86771039 is about 9315.0973693247. The cubic root of 86771039 is about 442.7157091441.

The spelling of 86771039 in words is "eighty-six million, seven hundred seventy-one thousand, thirty-nine".