86100806500 has 24 divisors (see below), whose sum is σ = 188044162488. Its totient is φ = 34440322400.

The previous prime is 86100806497. The next prime is 86100806513. The reversal of 86100806500 is 560800168.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1941636096 + 84159170404 = 44064^2 + 290102^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86100307 + ... + 86101306.

It is an arithmetic number, because the mean of its divisors is an integer number (7835173437).

Almost surely, 2^86100806500 is an apocalyptic number.

It is an amenable number.

86100806500 is an abundant number, since it is smaller than the sum of its proper divisors (101943355988).

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

86100806500 is a wasteful number, since it uses less digits than its factorization.

86100806500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172201632 (or 172201620 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 86100806500 in words is "eighty-six billion, one hundred million, eight hundred six thousand, five hundred".