28080038177 has 2 divisors, whose sum is σ = 28080038178. Its totient is φ = 28080038176.

The previous prime is 28080038131. The next prime is 28080038257. The reversal of 28080038177 is 77183008082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27827577856 + 252460321 = 166816^2 + 15889^2 .

It is a cyclic number.

It is not a de Polignac number, because 28080038177 - 2¹⁸ = 28079776033 is a prime.

It is not a weakly prime, because it can be changed into another prime (28080032177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14040019088 + 14040019089.

It is an arithmetic number, because the mean of its divisors is an integer number (14040019089).

Almost surely, 2^28080038177 is an apocalyptic number.

It is an amenable number.

28080038177 is a deficient number, since it is larger than the sum of its proper divisors (1).

28080038177 is an equidigital number, since it uses as much as digits as its factorization.

28080038177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 44.

The spelling of 28080038177 in words is "twenty-eight billion, eighty million, thirty-eight thousand, one hundred seventy-seven".