86500806 has 64 divisors (see below), whose sum is σ = 211653120. Its totient is φ = 23016960.

The previous prime is 86500793. The next prime is 86500829. The reversal of 86500806 is 60800568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47790 + ... + 49566.

It is an arithmetic number, because the mean of its divisors is an integer number (3307080).

Almost surely, 2^86500806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86500806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105826560).

86500806 is an abundant number, since it is smaller than the sum of its proper divisors (125152314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86500806 is a wasteful number, since it uses less digits than its factorization.

86500806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 86500806 is about 9300.5809495966. The cubic root of 86500806 is about 442.2556447172.

The spelling of 86500806 in words is "eighty-six million, five hundred thousand, eight hundred six".