28056336701 has 2 divisors, whose sum is σ = 28056336702. Its totient is φ = 28056336700.

The previous prime is 28056336673. The next prime is 28056336709. The reversal of 28056336701 is 10763365082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16237385476 + 11818951225 = 127426^2 + 108715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28056336701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28056336709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14028168350 + 14028168351.

It is an arithmetic number, because the mean of its divisors is an integer number (14028168351).

Almost surely, 2^28056336701 is an apocalyptic number.

It is an amenable number.

28056336701 is a deficient number, since it is larger than the sum of its proper divisors (1).

28056336701 is an equidigital number, since it uses as much as digits as its factorization.

28056336701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 28056336701 in words is "twenty-eight billion, fifty-six million, three hundred thirty-six thousand, seven hundred one".