86011009 has 16 divisors (see below), whose sum is σ = 100166400. Its totient is φ = 72334080.

The previous prime is 86011001. The next prime is 86011021. The reversal of 86011009 is 90011068.

It is not a de Polignac number, because 86011009 - 2³ = 86011001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86011001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143292 + ... + 143890.

It is an arithmetic number, because the mean of its divisors is an integer number (6260400).

Almost surely, 2^86011009 is an apocalyptic number.

It is an amenable number.

86011009 is a deficient number, since it is larger than the sum of its proper divisors (14155391).

86011009 is a wasteful number, since it uses less digits than its factorization.

86011009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 86011009 is about 9274.2120420012. The cubic root of 86011009 is about 441.4193302393.

The spelling of 86011009 in words is "eighty-six million, eleven thousand, nine".