86359081 has 2 divisors, whose sum is σ = 86359082. Its totient is φ = 86359080.

The previous prime is 86359057. The next prime is 86359151. The reversal of 86359081 is 18095368.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58003456 + 28355625 = 7616^2 + 5325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86359081 is a prime.

It is a super-2 number, since 2×86359081² = 14915781742329122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86359001) 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, 43179540 + 43179541.

It is an arithmetic number, because the mean of its divisors is an integer number (43179541).

Almost surely, 2^86359081 is an apocalyptic number.

It is an amenable number.

86359081 is a deficient number, since it is larger than the sum of its proper divisors (1).

86359081 is an equidigital number, since it uses as much as digits as its factorization.

86359081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 86359081 is about 9292.9586784834. The cubic root of 86359081 is about 442.0139785919.

The spelling of 86359081 in words is "eighty-six million, three hundred fifty-nine thousand, eighty-one".