200178012887 has 2 divisors, whose sum is σ = 200178012888. Its totient is φ = 200178012886.

The previous prime is 200178012877. The next prime is 200178012889. The reversal of 200178012887 is 788210871002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200178012887 - 2¹² = 200178008791 is a prime.

Together with 200178012889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200178012889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100089006443 + 100089006444.

It is an arithmetic number, because the mean of its divisors is an integer number (100089006444).

Almost surely, 2^200178012887 is an apocalyptic number.

200178012887 is a deficient number, since it is larger than the sum of its proper divisors (1).

200178012887 is an equidigital number, since it uses as much as digits as its factorization.

200178012887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100352, while the sum is 44.

Adding to 200178012887 its reverse (788210871002), we get a palindrome (988388883889).

The spelling of 200178012887 in words is "two hundred billion, one hundred seventy-eight million, twelve thousand, eight hundred eighty-seven".