28330283717 has 2 divisors, whose sum is σ = 28330283718. Its totient is φ = 28330283716.

The previous prime is 28330283693. The next prime is 28330283747. The reversal of 28330283717 is 71738203382.

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., 27891004036 + 439279681 = 167006^2 + 20959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28330283717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28330283747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14165141858 + 14165141859.

It is an arithmetic number, because the mean of its divisors is an integer number (14165141859).

Almost surely, 2^28330283717 is an apocalyptic number.

It is an amenable number.

28330283717 is a deficient number, since it is larger than the sum of its proper divisors (1).

28330283717 is an equidigital number, since it uses as much as digits as its factorization.

28330283717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 28330283717 in words is "twenty-eight billion, three hundred thirty million, two hundred eighty-three thousand, seven hundred seventeen".