28364098177 has 2 divisors, whose sum is σ = 28364098178. Its totient is φ = 28364098176.

The previous prime is 28364098159. The next prime is 28364098201. The reversal of 28364098177 is 77189046382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26316626176 + 2047472001 = 162224^2 + 45249^2 .

It is a cyclic number.

It is not a de Polignac number, because 28364098177 - 2²⁷ = 28229880449 is a prime.

It is not a weakly prime, because it can be changed into another prime (28364098577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14182049088 + 14182049089.

It is an arithmetic number, because the mean of its divisors is an integer number (14182049089).

Almost surely, 2^28364098177 is an apocalyptic number.

It is an amenable number.

28364098177 is a deficient number, since it is larger than the sum of its proper divisors (1).

28364098177 is an equidigital number, since it uses as much as digits as its factorization.

28364098177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 28364098177 in words is "twenty-eight billion, three hundred sixty-four million, ninety-eight thousand, one hundred seventy-seven".