200540077 has 2 divisors, whose sum is σ = 200540078. Its totient is φ = 200540076.

The previous prime is 200540069. The next prime is 200540099. The reversal of 200540077 is 770045002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198781801 + 1758276 = 14099^2 + 1326^2 .

It is a cyclic number.

It is not a de Polignac number, because 200540077 - 2³ = 200540069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200540047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100270038 + 100270039.

It is an arithmetic number, because the mean of its divisors is an integer number (100270039).

Almost surely, 2^200540077 is an apocalyptic number.

It is an amenable number.

200540077 is a deficient number, since it is larger than the sum of its proper divisors (1).

200540077 is an equidigital number, since it uses as much as digits as its factorization.

200540077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 200540077 is about 14161.2173558632. The cubic root of 200540077 is about 585.3294727688.

Adding to 200540077 its reverse (770045002), we get a palindrome (970585079).

The spelling of 200540077 in words is "two hundred million, five hundred forty thousand, seventy-seven".