32775555689 has 2 divisors, whose sum is σ = 32775555690. Its totient is φ = 32775555688.

The previous prime is 32775555661. The next prime is 32775555779. The reversal of 32775555689 is 98655557723.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21748875625 + 11026680064 = 147475^2 + 105008^2 .

It is a cyclic number.

It is not a de Polignac number, because 32775555689 - 2²⁰ = 32774507113 is a prime.

It is not a weakly prime, because it can be changed into another prime (32775555619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16387777844 + 16387777845.

It is an arithmetic number, because the mean of its divisors is an integer number (16387777845).

Almost surely, 2^32775555689 is an apocalyptic number.

It is an amenable number.

32775555689 is a deficient number, since it is larger than the sum of its proper divisors (1).

32775555689 is an equidigital number, since it uses as much as digits as its factorization.

32775555689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380000, while the sum is 62.

The spelling of 32775555689 in words is "thirty-two billion, seven hundred seventy-five million, five hundred fifty-five thousand, six hundred eighty-nine".