228085789793 has 2 divisors, whose sum is σ = 228085789794. Its totient is φ = 228085789792.

The previous prime is 228085789783. The next prime is 228085789817. The reversal of 228085789793 is 397987580822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207217964944 + 20867824849 = 455212^2 + 144457^2 .

It is a cyclic number.

It is not a de Polignac number, because 228085789793 - 2²⁸ = 227817354337 is a prime.

It is not a weakly prime, because it can be changed into another prime (228085789733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114042894896 + 114042894897.

It is an arithmetic number, because the mean of its divisors is an integer number (114042894897).

Almost surely, 2^228085789793 is an apocalyptic number.

It is an amenable number.

228085789793 is a deficient number, since it is larger than the sum of its proper divisors (1).

228085789793 is an equidigital number, since it uses as much as digits as its factorization.

228085789793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121927680, while the sum is 68.

The spelling of 228085789793 in words is "two hundred twenty-eight billion, eighty-five million, seven hundred eighty-nine thousand, seven hundred ninety-three".