28044727 has 2 divisors, whose sum is σ = 28044728. Its totient is φ = 28044726.

The previous prime is 28044707. The next prime is 28044733. The reversal of 28044727 is 72744082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28044727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28044692 and 28044701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28044707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14022363 + 14022364.

It is an arithmetic number, because the mean of its divisors is an integer number (14022364).

Almost surely, 2^28044727 is an apocalyptic number.

28044727 is a deficient number, since it is larger than the sum of its proper divisors (1).

28044727 is an equidigital number, since it uses as much as digits as its factorization.

28044727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 28044727 is about 5295.7272399549. The cubic root of 28044727 is about 303.8204986889.

The spelling of 28044727 in words is "twenty-eight million, forty-four thousand, seven hundred twenty-seven".