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28116727 is a prime number
BaseRepresentation
bin110101101000…
…0011011110111
31221220110220021
41223100123313
524144213402
62442350011
7460662652
oct153203367
957813807
1028116727
1114964571
1294bb307
135a95a22
143a3c899
152705d37
hex1ad06f7

28116727 has 2 divisors, whose sum is σ = 28116728. Its totient is φ = 28116726.

The previous prime is 28116719. The next prime is 28116757. The reversal of 28116727 is 72761182.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28116727 - 23 = 28116719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28116692 and 28116701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28116757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14058363 + 14058364.

It is an arithmetic number, because the mean of its divisors is an integer number (14058364).

Almost surely, 228116727 is an apocalyptic number.

28116727 is a deficient number, since it is larger than the sum of its proper divisors (1).

28116727 is an equidigital number, since it uses as much as digits as its factorization.

28116727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 34.

The square root of 28116727 is about 5302.5208156121. The cubic root of 28116727 is about 304.0802787466.

The spelling of 28116727 in words is "twenty-eight million, one hundred sixteen thousand, seven hundred twenty-seven".