86500064 has 24 divisors (see below), whose sum is σ = 194625648. Its totient is φ = 37071360.

The previous prime is 86500039. The next prime is 86500087. The reversal of 86500064 is 46000568.

It is a super-2 number, since 2×86500064² = 14964522144008192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 192857 + ... + 193304.

It is an arithmetic number, because the mean of its divisors is an integer number (8109402).

Almost surely, 2^86500064 is an apocalyptic number.

It is an amenable number.

86500064 is an abundant number, since it is smaller than the sum of its proper divisors (108125584).

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

86500064 is a wasteful number, since it uses less digits than its factorization.

86500064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386178 (or 386170 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 86500064 is about 9300.5410595298. The cubic root of 86500064 is about 442.2543801640.

The spelling of 86500064 in words is "eighty-six million, five hundred thousand, sixty-four".