228083687999 has 4 divisors (see below), whose sum is σ = 228088463664. Its totient is φ = 228078912336.

The previous prime is 228083687987. The next prime is 228083688017. The reversal of 228083687999 is 999786380822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228083687999 - 2¹⁶ = 228083622463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228083687929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2315462 + ... + 2411955.

It is an arithmetic number, because the mean of its divisors is an integer number (57022115916).

Almost surely, 2^228083687999 is an apocalyptic number.

228083687999 is a deficient number, since it is larger than the sum of its proper divisors (4775665).

228083687999 is an equidigital number, since it uses as much as digits as its factorization.

228083687999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775664.

The product of its (nonzero) digits is 188116992, while the sum is 71.

The spelling of 228083687999 in words is "two hundred twenty-eight billion, eighty-three million, six hundred eighty-seven thousand, nine hundred ninety-nine".