28054223177 has 2 divisors, whose sum is σ = 28054223178. Its totient is φ = 28054223176.

The previous prime is 28054223147. The next prime is 28054223209. The reversal of 28054223177 is 77132245082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25287042361 + 2767180816 = 159019^2 + 52604^2 .

It is a cyclic number.

It is not a de Polignac number, because 28054223177 - 2²² = 28050028873 is a prime.

It is not a weakly prime, because it can be changed into another prime (28054223147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027111588 + 14027111589.

It is an arithmetic number, because the mean of its divisors is an integer number (14027111589).

Almost surely, 2^28054223177 is an apocalyptic number.

It is an amenable number.

28054223177 is a deficient number, since it is larger than the sum of its proper divisors (1).

28054223177 is an equidigital number, since it uses as much as digits as its factorization.

28054223177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 28054223177 in words is "twenty-eight billion, fifty-four million, two hundred twenty-three thousand, one hundred seventy-seven".