28060717 has 2 divisors, whose sum is σ = 28060718. Its totient is φ = 28060716.

The previous prime is 28060709. The next prime is 28060733. The reversal of 28060717 is 71706082.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24860196 + 3200521 = 4986^2 + 1789^2 .

It is a cyclic number.

It is not a de Polignac number, because 28060717 - 2³ = 28060709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28060757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14030358 + 14030359.

It is an arithmetic number, because the mean of its divisors is an integer number (14030359).

Almost surely, 2^28060717 is an apocalyptic number.

It is an amenable number.

28060717 is a deficient number, since it is larger than the sum of its proper divisors (1).

28060717 is an equidigital number, since it uses as much as digits as its factorization.

28060717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 28060717 is about 5297.2367324861. The cubic root of 28060717 is about 303.8782298834.

Adding to 28060717 its reverse (71706082), we get a palindrome (99766799).

The spelling of 28060717 in words is "twenty-eight million, sixty thousand, seven hundred seventeen".