28597960837 has 2 divisors, whose sum is σ = 28597960838. Its totient is φ = 28597960836.

The previous prime is 28597960793. The next prime is 28597960843. The reversal of 28597960837 is 73806979582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28009704321 + 588256516 = 167361^2 + 24254^2 .

It is a cyclic number.

It is not a de Polignac number, because 28597960837 - 2¹¹ = 28597958789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28597960537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14298980418 + 14298980419.

It is an arithmetic number, because the mean of its divisors is an integer number (14298980419).

Almost surely, 2^28597960837 is an apocalyptic number.

It is an amenable number.

28597960837 is a deficient number, since it is larger than the sum of its proper divisors (1).

28597960837 is an equidigital number, since it uses as much as digits as its factorization.

28597960837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 28597960837 in words is "twenty-eight billion, five hundred ninety-seven million, nine hundred sixty thousand, eight hundred thirty-seven".