28934115839 has 2 divisors, whose sum is σ = 28934115840. Its totient is φ = 28934115838.

The previous prime is 28934115827. The next prime is 28934115869. The reversal of 28934115839 is 93851143982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28934115839 - 2¹² = 28934111743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28934115809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14467057919 + 14467057920.

It is an arithmetic number, because the mean of its divisors is an integer number (14467057920).

Almost surely, 2^28934115839 is an apocalyptic number.

28934115839 is a deficient number, since it is larger than the sum of its proper divisors (1).

28934115839 is an equidigital number, since it uses as much as digits as its factorization.

28934115839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 53.

The spelling of 28934115839 in words is "twenty-eight billion, nine hundred thirty-four million, one hundred fifteen thousand, eight hundred thirty-nine".