28760768441 has 2 divisors, whose sum is σ = 28760768442. Its totient is φ = 28760768440.

The previous prime is 28760768423. The next prime is 28760768497. The reversal of 28760768441 is 14486706782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28663844416 + 96924025 = 169304^2 + 9845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28760768441 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (28760768341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14380384220 + 14380384221.

It is an arithmetic number, because the mean of its divisors is an integer number (14380384221).

Almost surely, 2^28760768441 is an apocalyptic number.

It is an amenable number.

28760768441 is a deficient number, since it is larger than the sum of its proper divisors (1).

28760768441 is an equidigital number, since it uses as much as digits as its factorization.

28760768441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 28760768441 in words is "twenty-eight billion, seven hundred sixty million, seven hundred sixty-eight thousand, four hundred forty-one".