205048077 has 16 divisors (see below), whose sum is σ = 296139648. Its totient is φ = 125449920.

The previous prime is 205048049. The next prime is 205048087. The reversal of 205048077 is 770840502.

It is not a de Polignac number, because 205048077 - 2¹² = 205043981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205048007) 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, 8449 + ... + 21942.

It is an arithmetic number, because the mean of its divisors is an integer number (18508728).

Almost surely, 2^205048077 is an apocalyptic number.

It is an amenable number.

205048077 is a deficient number, since it is larger than the sum of its proper divisors (91091571).

205048077 is a wasteful number, since it uses less digits than its factorization.

205048077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30580.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 205048077 is about 14319.4998865184. The cubic root of 205048077 is about 589.6829446560.

Adding to 205048077 its reverse (770840502), we get a palindrome (975888579).

The spelling of 205048077 in words is "two hundred five million, forty-eight thousand, seventy-seven".