28056107803 has 2 divisors, whose sum is σ = 28056107804. Its totient is φ = 28056107802.

The previous prime is 28056107801. The next prime is 28056107837. The reversal of 28056107803 is 30870165082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28056107803 - 2¹ = 28056107801 is a prime.

Together with 28056107801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28056107801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14028053901 + 14028053902.

It is an arithmetic number, because the mean of its divisors is an integer number (14028053902).

Almost surely, 2^28056107803 is an apocalyptic number.

28056107803 is a deficient number, since it is larger than the sum of its proper divisors (1).

28056107803 is an equidigital number, since it uses as much as digits as its factorization.

28056107803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 28056107803 in words is "twenty-eight billion, fifty-six million, one hundred seven thousand, eight hundred three".