28188702743 has 2 divisors, whose sum is σ = 28188702744. Its totient is φ = 28188702742.

The previous prime is 28188702739. The next prime is 28188702823. The reversal of 28188702743 is 34720788182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28188702743 - 2² = 28188702739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28188702691 and 28188702700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28188702713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14094351371 + 14094351372.

It is an arithmetic number, because the mean of its divisors is an integer number (14094351372).

Almost surely, 2^28188702743 is an apocalyptic number.

28188702743 is a deficient number, since it is larger than the sum of its proper divisors (1).

28188702743 is an equidigital number, since it uses as much as digits as its factorization.

28188702743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1204224, while the sum is 50.

The spelling of 28188702743 in words is "twenty-eight billion, one hundred eighty-eight million, seven hundred two thousand, seven hundred forty-three".