28067739827 has 2 divisors, whose sum is σ = 28067739828. Its totient is φ = 28067739826.

The previous prime is 28067739811. The next prime is 28067739839. The reversal of 28067739827 is 72893776082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28067739827 - 2⁴ = 28067739811 is a prime.

It is not a weakly prime, because it can be changed into another prime (28067739877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14033869913 + 14033869914.

It is an arithmetic number, because the mean of its divisors is an integer number (14033869914).

Almost surely, 2^28067739827 is an apocalyptic number.

28067739827 is a deficient number, since it is larger than the sum of its proper divisors (1).

28067739827 is an equidigital number, since it uses as much as digits as its factorization.

28067739827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 28067739827 in words is "twenty-eight billion, sixty-seven million, seven hundred thirty-nine thousand, eight hundred twenty-seven".