28486727 has 2 divisors, whose sum is σ = 28486728. Its totient is φ = 28486726.

The previous prime is 28486721. The next prime is 28486741. The reversal of 28486727 is 72768482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28486727 - 2⁶ = 28486663 is a prime.

It is a super-2 number, since 2×28486727² = 1622987230345058, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28486721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14243363 + 14243364.

It is an arithmetic number, because the mean of its divisors is an integer number (14243364).

Almost surely, 2^28486727 is an apocalyptic number.

28486727 is a deficient number, since it is larger than the sum of its proper divisors (1).

28486727 is an equidigital number, since it uses as much as digits as its factorization.

28486727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 44.

The square root of 28486727 is about 5337.2958508968. The cubic root of 28486727 is about 305.4083109741.

The spelling of 28486727 in words is "twenty-eight million, four hundred eighty-six thousand, seven hundred twenty-seven".