28064767243 has 2 divisors, whose sum is σ = 28064767244. Its totient is φ = 28064767242.

The previous prime is 28064767189. The next prime is 28064767249. The reversal of 28064767243 is 34276746082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28064767243 - 2⁹ = 28064766731 is a prime.

It is not a weakly prime, because it can be changed into another prime (28064767249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14032383621 + 14032383622.

It is an arithmetic number, because the mean of its divisors is an integer number (14032383622).

Almost surely, 2^28064767243 is an apocalyptic number.

28064767243 is a deficient number, since it is larger than the sum of its proper divisors (1).

28064767243 is an equidigital number, since it uses as much as digits as its factorization.

28064767243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 28064767243 in words is "twenty-eight billion, sixty-four million, seven hundred sixty-seven thousand, two hundred forty-three".