28141747 has 2 divisors, whose sum is σ = 28141748. Its totient is φ = 28141746.

The previous prime is 28141739. The next prime is 28141777. The reversal of 28141747 is 74714182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28141747 - 2³ = 28141739 is a prime.

It is not a weakly prime, because it can be changed into another prime (28141727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14070873 + 14070874.

It is an arithmetic number, because the mean of its divisors is an integer number (14070874).

Almost surely, 2^28141747 is an apocalyptic number.

28141747 is a deficient number, since it is larger than the sum of its proper divisors (1).

28141747 is an equidigital number, since it uses as much as digits as its factorization.

28141747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 34.

The square root of 28141747 is about 5304.8795462291. The cubic root of 28141747 is about 304.1704484757.

The spelling of 28141747 in words is "twenty-eight million, one hundred forty-one thousand, seven hundred forty-seven".