2128600086 has 8 divisors (see below), whose sum is σ = 4257200184. Its totient is φ = 709533360.

The previous prime is 2128600079. The next prime is 2128600181. The reversal of 2128600086 is 6800068212.

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

2128600086 is an admirable number.

It is a super-2 number, since 2×2128600086² = 9061876652238414792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177383335 + ... + 177383346.

It is an arithmetic number, because the mean of its divisors is an integer number (532150023).

Almost surely, 2^2128600086 is an apocalyptic number.

2128600086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2128600086 is a wasteful number, since it uses less digits than its factorization.

2128600086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354766686.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2128600086 is about 46136.7541771200. The cubic root of 2128600086 is about 1286.3664119767.

Adding to 2128600086 its reverse (6800068212), we get a palindrome (8928668298).

The spelling of 2128600086 in words is "two billion, one hundred twenty-eight million, six hundred thousand, eighty-six".