28828365287 has 2 divisors, whose sum is σ = 28828365288. Its totient is φ = 28828365286.

The previous prime is 28828365233. The next prime is 28828365289. The reversal of 28828365287 is 78256382882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28828365287 - 2¹⁴ = 28828348903 is a prime.

Together with 28828365289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28828365289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14414182643 + 14414182644.

It is an arithmetic number, because the mean of its divisors is an integer number (14414182644).

Almost surely, 2^28828365287 is an apocalyptic number.

28828365287 is a deficient number, since it is larger than the sum of its proper divisors (1).

28828365287 is an equidigital number, since it uses as much as digits as its factorization.

28828365287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20643840, while the sum is 59.

The spelling of 28828365287 in words is "twenty-eight billion, eight hundred twenty-eight million, three hundred sixty-five thousand, two hundred eighty-seven".