200009889077 has 2 divisors, whose sum is σ = 200009889078. Its totient is φ = 200009889076.

The previous prime is 200009888987. The next prime is 200009889089. The reversal of 200009889077 is 770988900002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156531800881 + 43478088196 = 395641^2 + 208514^2 .

It is a cyclic number.

It is not a de Polignac number, because 200009889077 - 2⁸ = 200009888821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200009889097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100004944538 + 100004944539.

It is an arithmetic number, because the mean of its divisors is an integer number (100004944539).

Almost surely, 2^200009889077 is an apocalyptic number.

It is an amenable number.

200009889077 is a deficient number, since it is larger than the sum of its proper divisors (1).

200009889077 is an equidigital number, since it uses as much as digits as its factorization.

200009889077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 50.

The spelling of 200009889077 in words is "two hundred billion, nine million, eight hundred eighty-nine thousand, seventy-seven".