28057818743 has 2 divisors, whose sum is σ = 28057818744. Its totient is φ = 28057818742.

The previous prime is 28057818731. The next prime is 28057818773. The reversal of 28057818743 is 34781875082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28057818743 - 2⁴ = 28057818727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28057818773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14028909371 + 14028909372.

It is an arithmetic number, because the mean of its divisors is an integer number (14028909372).

Almost surely, 2^28057818743 is an apocalyptic number.

28057818743 is a deficient number, since it is larger than the sum of its proper divisors (1).

28057818743 is an equidigital number, since it uses as much as digits as its factorization.

28057818743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3010560, while the sum is 53.

The spelling of 28057818743 in words is "twenty-eight billion, fifty-seven million, eight hundred eighteen thousand, seven hundred forty-three".