28113270487 has 2 divisors, whose sum is σ = 28113270488. Its totient is φ = 28113270486.

The previous prime is 28113270473. The next prime is 28113270503. The reversal of 28113270487 is 78407231182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28113270487 - 2¹¹ = 28113268439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28113270407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14056635243 + 14056635244.

It is an arithmetic number, because the mean of its divisors is an integer number (14056635244).

Almost surely, 2^28113270487 is an apocalyptic number.

28113270487 is a deficient number, since it is larger than the sum of its proper divisors (1).

28113270487 is an equidigital number, since it uses as much as digits as its factorization.

28113270487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 28113270487 in words is "twenty-eight billion, one hundred thirteen million, two hundred seventy thousand, four hundred eighty-seven".