86209005 has 16 divisors (see below), whose sum is σ = 140538240. Its totient is φ = 45110208.

The previous prime is 86209003. The next prime is 86209007. The reversal of 86209005 is 50090268.

It is an interprime number because it is at equal distance from previous prime (86209003) and next prime (86209007).

It is not a de Polignac number, because 86209005 - 2¹ = 86209003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86209003) 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, 53425 + ... + 55014.

It is an arithmetic number, because the mean of its divisors is an integer number (8783640).

Almost surely, 2^86209005 is an apocalyptic number.

It is an amenable number.

86209005 is a deficient number, since it is larger than the sum of its proper divisors (54329235).

86209005 is a wasteful number, since it uses less digits than its factorization.

86209005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108500.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 86209005 is about 9284.8804515729. The cubic root of 86209005 is about 441.7577841358.

The spelling of 86209005 in words is "eighty-six million, two hundred nine thousand, five".