28244767 has 2 divisors, whose sum is σ = 28244768. Its totient is φ = 28244766.

The previous prime is 28244747. The next prime is 28244809. The reversal of 28244767 is 76744282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28244767 - 2⁷ = 28244639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28244717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14122383 + 14122384.

It is an arithmetic number, because the mean of its divisors is an integer number (14122384).

Almost surely, 2^28244767 is an apocalyptic number.

28244767 is a deficient number, since it is larger than the sum of its proper divisors (1).

28244767 is an equidigital number, since it uses as much as digits as its factorization.

28244767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 40.

The square root of 28244767 is about 5314.5806043375. The cubic root of 28244767 is about 304.5411608297.

The spelling of 28244767 in words is "twenty-eight million, two hundred forty-four thousand, seven hundred sixty-seven".