228799065799 has 4 divisors (see below), whose sum is σ = 229422496864. Its totient is φ = 228175634736.

The previous prime is 228799065757. The next prime is 228799065821. The reversal of 228799065799 is 997560997822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228799065799 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 (228799065749) 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, 311714982 + ... + 311715715.

It is an arithmetic number, because the mean of its divisors is an integer number (57355624216).

Almost surely, 2^228799065799 is an apocalyptic number.

228799065799 is a deficient number, since it is larger than the sum of its proper divisors (623431065).

228799065799 is an equidigital number, since it uses as much as digits as its factorization.

228799065799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623431064.

The product of its (nonzero) digits is 308629440, while the sum is 73.

The spelling of 228799065799 in words is "two hundred twenty-eight billion, seven hundred ninety-nine million, sixty-five thousand, seven hundred ninety-nine".