28076868371 has 2 divisors, whose sum is σ = 28076868372. Its totient is φ = 28076868370.

The previous prime is 28076868307. The next prime is 28076868377. The reversal of 28076868371 is 17386867082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28076868371 - 2⁶ = 28076868307 is a prime.

It is not a weakly prime, because it can be changed into another prime (28076868377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14038434185 + 14038434186.

It is an arithmetic number, because the mean of its divisors is an integer number (14038434186).

Almost surely, 2^28076868371 is an apocalyptic number.

28076868371 is a deficient number, since it is larger than the sum of its proper divisors (1).

28076868371 is an equidigital number, since it uses as much as digits as its factorization.

28076868371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 28076868371 in words is "twenty-eight billion, seventy-six million, eight hundred sixty-eight thousand, three hundred seventy-one".