203314400077 has 2 divisors, whose sum is σ = 203314400078. Its totient is φ = 203314400076.

The previous prime is 203314400063. The next prime is 203314400141. The reversal of 203314400077 is 770004413302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153561313161 + 49753086916 = 391869^2 + 223054^2 .

It is a cyclic number.

It is not a de Polignac number, because 203314400077 - 2¹⁵ = 203314367309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203314400017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101657200038 + 101657200039.

It is an arithmetic number, because the mean of its divisors is an integer number (101657200039).

Almost surely, 2^203314400077 is an apocalyptic number.

It is an amenable number.

203314400077 is a deficient number, since it is larger than the sum of its proper divisors (1).

203314400077 is an equidigital number, since it uses as much as digits as its factorization.

203314400077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

Adding to 203314400077 its reverse (770004413302), we get a palindrome (973318813379).

The spelling of 203314400077 in words is "two hundred three billion, three hundred fourteen million, four hundred thousand, seventy-seven".