86012081 has 2 divisors, whose sum is σ = 86012082. Its totient is φ = 86012080.

The previous prime is 86012077. The next prime is 86012093. The reversal of 86012081 is 18021068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84474481 + 1537600 = 9191^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 86012081 - 2² = 86012077 is a prime.

It is a super-2 number, since 2×86012081² = 14796156155901122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86012081.

It is not a weakly prime, because it can be changed into another prime (86012041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43006040 + 43006041.

It is an arithmetic number, because the mean of its divisors is an integer number (43006041).

Almost surely, 2^86012081 is an apocalyptic number.

It is an amenable number.

86012081 is a deficient number, since it is larger than the sum of its proper divisors (1).

86012081 is an equidigital number, since it uses as much as digits as its factorization.

86012081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 86012081 is about 9274.2698364885. The cubic root of 86012081 is about 441.4211641113.

The spelling of 86012081 in words is "eighty-six million, twelve thousand, eighty-one".