28885858601441 has 2 divisors, whose sum is σ = 28885858601442. Its totient is φ = 28885858601440.

The previous prime is 28885858601437. The next prime is 28885858601443. The reversal of 28885858601441 is 14410685858882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15342693150625 + 13543165450816 = 3916975^2 + 3680104^2 .

It is a cyclic number.

It is not a de Polignac number, because 28885858601441 - 2² = 28885858601437 is a prime.

Together with 28885858601443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28885858601443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14442929300720 + 14442929300721.

It is an arithmetic number, because the mean of its divisors is an integer number (14442929300721).

Almost surely, 2^{28885858601441} is an apocalyptic number.

It is an amenable number.

28885858601441 is a deficient number, since it is larger than the sum of its proper divisors (1).

28885858601441 is an equidigital number, since it uses as much as digits as its factorization.

28885858601441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157286400, while the sum is 68.

The spelling of 28885858601441 in words is "twenty-eight trillion, eight hundred eighty-five billion, eight hundred fifty-eight million, six hundred one thousand, four hundred forty-one".