28927543 has 2 divisors, whose sum is σ = 28927544. Its totient is φ = 28927542.

The previous prime is 28927501. The next prime is 28927553. The reversal of 28927543 is 34572982.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28927543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28927496 and 28927505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28927553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14463771 + 14463772.

It is an arithmetic number, because the mean of its divisors is an integer number (14463772).

Almost surely, 2^28927543 is an apocalyptic number.

28927543 is a deficient number, since it is larger than the sum of its proper divisors (1).

28927543 is an equidigital number, since it uses as much as digits as its factorization.

28927543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 28927543 is about 5378.4331361466. The cubic root of 28927543 is about 306.9755946180.

The spelling of 28927543 in words is "twenty-eight million, nine hundred twenty-seven thousand, five hundred forty-three".