28058497837 has 2 divisors, whose sum is σ = 28058497838. Its totient is φ = 28058497836.

The previous prime is 28058497829. The next prime is 28058497871. The reversal of 28058497837 is 73879485082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21337613476 + 6720884361 = 146074^2 + 81981^2 .

It is a cyclic number.

It is not a de Polignac number, because 28058497837 - 2³ = 28058497829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28058497037) 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, 14029248918 + 14029248919.

It is an arithmetic number, because the mean of its divisors is an integer number (14029248919).

Almost surely, 2^28058497837 is an apocalyptic number.

It is an amenable number.

28058497837 is a deficient number, since it is larger than the sum of its proper divisors (1).

28058497837 is an equidigital number, since it uses as much as digits as its factorization.

28058497837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 28058497837 in words is "twenty-eight billion, fifty-eight million, four hundred ninety-seven thousand, eight hundred thirty-seven".