28240310177 has 2 divisors, whose sum is σ = 28240310178. Its totient is φ = 28240310176.

The previous prime is 28240310149. The next prime is 28240310201. The reversal of 28240310177 is 77101304282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16670941456 + 11569368721 = 129116^2 + 107561^2 .

It is a cyclic number.

It is not a de Polignac number, because 28240310177 - 2¹⁴ = 28240293793 is a prime.

It is not a weakly prime, because it can be changed into another prime (28240310107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14120155088 + 14120155089.

It is an arithmetic number, because the mean of its divisors is an integer number (14120155089).

Almost surely, 2^28240310177 is an apocalyptic number.

It is an amenable number.

28240310177 is a deficient number, since it is larger than the sum of its proper divisors (1).

28240310177 is an equidigital number, since it uses as much as digits as its factorization.

28240310177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 28240310177 in words is "twenty-eight billion, two hundred forty million, three hundred ten thousand, one hundred seventy-seven".