28294127 has 2 divisors, whose sum is σ = 28294128. Its totient is φ = 28294126.

The previous prime is 28294109. The next prime is 28294153. The reversal of 28294127 is 72149282.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28294127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28294177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14147063 + 14147064.

It is an arithmetic number, because the mean of its divisors is an integer number (14147064).

Almost surely, 2^28294127 is an apocalyptic number.

28294127 is a deficient number, since it is larger than the sum of its proper divisors (1).

28294127 is an equidigital number, since it uses as much as digits as its factorization.

28294127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 28294127 is about 5319.2224055777. Note that the first 3 decimals coincide. The cubic root of 28294127 is about 304.7184609712.

The spelling of 28294127 in words is "twenty-eight million, two hundred ninety-four thousand, one hundred twenty-seven".