28053078017 has 2 divisors, whose sum is σ = 28053078018. Its totient is φ = 28053078016.

The previous prime is 28053078013. The next prime is 28053078023. The reversal of 28053078017 is 71087035082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21060104641 + 6992973376 = 145121^2 + 83624^2 .

It is a cyclic number.

It is not a de Polignac number, because 28053078017 - 2² = 28053078013 is a prime.

It is not a weakly prime, because it can be changed into another prime (28053078013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14026539008 + 14026539009.

It is an arithmetic number, because the mean of its divisors is an integer number (14026539009).

It is a Proth number, since it is equal to 53507 ⋅ 2¹⁹ + 1 and 53507 < 2¹⁹.

Almost surely, 2^28053078017 is an apocalyptic number.

It is an amenable number.

28053078017 is a deficient number, since it is larger than the sum of its proper divisors (1).

28053078017 is an equidigital number, since it uses as much as digits as its factorization.

28053078017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 28053078017 in words is "twenty-eight billion, fifty-three million, seventy-eight thousand, seventeen".