28554767 has 2 divisors, whose sum is σ = 28554768. Its totient is φ = 28554766.

The previous prime is 28554733. The next prime is 28554811. The reversal of 28554767 is 76745582.

It is an a-pointer prime, because the next prime (28554811) can be obtained adding 28554767 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28554767 - 2⁶ = 28554703 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 (28554167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14277383 + 14277384.

It is an arithmetic number, because the mean of its divisors is an integer number (14277384).

Almost surely, 2^28554767 is an apocalyptic number.

28554767 is a deficient number, since it is larger than the sum of its proper divisors (1).

28554767 is an equidigital number, since it uses as much as digits as its factorization.

28554767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 44.

The square root of 28554767 is about 5343.6660636683. Note that the first 3 decimals coincide. The cubic root of 28554767 is about 305.6512716016.

The spelling of 28554767 in words is "twenty-eight million, five hundred fifty-four thousand, seven hundred sixty-seven".