28288038239 has 2 divisors, whose sum is σ = 28288038240. Its totient is φ = 28288038238.

The previous prime is 28288038221. The next prime is 28288038257. The reversal of 28288038239 is 93283088282.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (28288038221) and next prime (28288038257).

It is a cyclic number.

It is not a de Polignac number, because 28288038239 - 2²⁸ = 28019602783 is a prime.

It is a super-2 number, since 2×28288038239² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28288038269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14144019119 + 14144019120.

It is an arithmetic number, because the mean of its divisors is an integer number (14144019120).

Almost surely, 2^28288038239 is an apocalyptic number.

28288038239 is a deficient number, since it is larger than the sum of its proper divisors (1).

28288038239 is an equidigital number, since it uses as much as digits as its factorization.

28288038239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 28288038239 in words is "twenty-eight billion, two hundred eighty-eight million, thirty-eight thousand, two hundred thirty-nine".