86071859 has 2 divisors, whose sum is σ = 86071860. Its totient is φ = 86071858.

The previous prime is 86071801. The next prime is 86071871. The reversal of 86071859 is 95817068.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86071859 - 2⁸ = 86071603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86071889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43035929 + 43035930.

It is an arithmetic number, because the mean of its divisors is an integer number (43035930).

Almost surely, 2^86071859 is an apocalyptic number.

86071859 is a deficient number, since it is larger than the sum of its proper divisors (1).

86071859 is an equidigital number, since it uses as much as digits as its factorization.

86071859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 86071859 is about 9277.4920641303. The cubic root of 86071859 is about 441.5234023217.

The spelling of 86071859 in words is "eighty-six million, seventy-one thousand, eight hundred fifty-nine".