99986700209 has 8 divisors (see below), whose sum is σ = 109078695552. Its totient is φ = 90895087440.

The previous prime is 99986700199. The next prime is 99986700241. The reversal of 99986700209 is 90200768999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99986700209 - 2²⁸ = 99718264753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99986700259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917432 + ... + 1020614.

It is an arithmetic number, because the mean of its divisors is an integer number (13634836944).

Almost surely, 2^99986700209 is an apocalyptic number.

It is an amenable number.

99986700209 is a deficient number, since it is larger than the sum of its proper divisors (9091995343).

99986700209 is a wasteful number, since it uses less digits than its factorization.

99986700209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191287.

The product of its (nonzero) digits is 4408992, while the sum is 59.

The spelling of 99986700209 in words is "ninety-nine billion, nine hundred eighty-six million, seven hundred thousand, two hundred nine".