28057722359 has 2 divisors, whose sum is σ = 28057722360. Its totient is φ = 28057722358.

The previous prime is 28057722317. The next prime is 28057722383. The reversal of 28057722359 is 95322775082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28057722359 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28057722559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14028861179 + 14028861180.

It is an arithmetic number, because the mean of its divisors is an integer number (14028861180).

Almost surely, 2^28057722359 is an apocalyptic number.

28057722359 is a deficient number, since it is larger than the sum of its proper divisors (1).

28057722359 is an equidigital number, since it uses as much as digits as its factorization.

28057722359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 28057722359 in words is "twenty-eight billion, fifty-seven million, seven hundred twenty-two thousand, three hundred fifty-nine".