28827077 has 2 divisors, whose sum is σ = 28827078. Its totient is φ = 28827076.

The previous prime is 28827067. The next prime is 28827109. The reversal of 28827077 is 77072882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16394401 + 12432676 = 4049^2 + 3526^2 .

It is a cyclic number.

It is not a de Polignac number, because 28827077 - 2⁴ = 28827061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28827067) 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, 14413538 + 14413539.

It is an arithmetic number, because the mean of its divisors is an integer number (14413539).

Almost surely, 2^28827077 is an apocalyptic number.

It is an amenable number.

28827077 is a deficient number, since it is larger than the sum of its proper divisors (1).

28827077 is an equidigital number, since it uses as much as digits as its factorization.

28827077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87808, while the sum is 41.

The square root of 28827077 is about 5369.0853038483. The cubic root of 28827077 is about 306.6198047224.

The spelling of 28827077 in words is "twenty-eight million, eight hundred twenty-seven thousand, seventy-seven".