223770829789 has 16 divisors (see below), whose sum is σ = 242926892208.
Its totient is φ = 204898563072.
The previous prime is 223770829769. The next prime is 223770829817. The reversal of 223770829789 is 987928077322.
It can be written as a sum of positive squares in 8 ways, for example, as 29503215225 + 194267614564 = 171765^2 + 440758^2
It is a cyclic number.
It is not a de Polignac number, because 223770829789 - 211 = 223770827741 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 223770829789.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223770829739) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733419 + ... + 992695.
It is an arithmetic number, because the mean of its divisors is an integer number (15182930763).
Almost surely, 2223770829789 is an apocalyptic number.
It is an amenable number.
223770829789 is a deficient number, since it is larger than the sum of its proper divisors (19156062419).
223770829789 is a wasteful number, since it uses less digits than its factorization.
223770829789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259824.
The product of its (nonzero) digits is 42674688, while the sum is 64.
The spelling of 223770829789 in words is "two hundred twenty-three billion, seven hundred seventy million, eight hundred twenty-nine thousand, seven hundred eighty-nine".