28288627188277 has 2 divisors, whose sum is σ = 28288627188278. Its totient is φ = 28288627188276.

The previous prime is 28288627188271. The next prime is 28288627188299. The reversal of 28288627188277 is 77288172688282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19626618877636 + 8662008310641 = 4430194^2 + 2943129^2 .

It is a cyclic number.

It is not a de Polignac number, because 28288627188277 - 2⁷ = 28288627188149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28288627188271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14144313594138 + 14144313594139.

It is an arithmetic number, because the mean of its divisors is an integer number (14144313594139).

Almost surely, 2^{28288627188277} is an apocalyptic number.

It is an amenable number.

28288627188277 is a deficient number, since it is larger than the sum of its proper divisors (1).

28288627188277 is an equidigital number, since it uses as much as digits as its factorization.

28288627188277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1078984704, while the sum is 76.

The spelling of 28288627188277 in words is "twenty-eight trillion, two hundred eighty-eight billion, six hundred twenty-seven million, one hundred eighty-eight thousand, two hundred seventy-seven".