205223314077 has 12 divisors (see below), whose sum is σ = 302740776000. Its totient is φ = 133904573448.

The previous prime is 205223314069. The next prime is 205223314081. The reversal of 205223314077 is 770413322502.

205223314077 is a `hidden beast` number, since 20 + 5 + 223 + 3 + 1 + 407 + 7 = 666.

It is not a de Polignac number, because 205223314077 - 2³ = 205223314069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205223314027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242580327 + ... + 242581172.

It is an arithmetic number, because the mean of its divisors is an integer number (25228398000).

Almost surely, 2^205223314077 is an apocalyptic number.

It is an amenable number.

205223314077 is a deficient number, since it is larger than the sum of its proper divisors (97517461923).

205223314077 is a wasteful number, since it uses less digits than its factorization.

205223314077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485161552 (or 485161549 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

Adding to 205223314077 its reverse (770413322502), we get a palindrome (975636636579).

The spelling of 205223314077 in words is "two hundred five billion, two hundred twenty-three million, three hundred fourteen thousand, seventy-seven".