28829385394597 has 2 divisors, whose sum is σ = 28829385394598. Its totient is φ = 28829385394596.

The previous prime is 28829385394553. The next prime is 28829385394613. The reversal of 28829385394597 is 79549358392882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24289136416801 + 4540248977796 = 4928401^2 + 2130786^2 .

It is a cyclic number.

It is not a de Polignac number, because 28829385394597 - 2¹⁹ = 28829384870309 is a prime.

It is a super-2 number, since 2×28829385394597² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28829385394597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28829385394507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14414692697298 + 14414692697299.

It is an arithmetic number, because the mean of its divisors is an integer number (14414692697299).

Almost surely, 2^{28829385394597} is an apocalyptic number.

It is an amenable number.

28829385394597 is a deficient number, since it is larger than the sum of its proper divisors (1).

28829385394597 is an equidigital number, since it uses as much as digits as its factorization.

28829385394597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9405849600, while the sum is 82.

The spelling of 28829385394597 in words is "twenty-eight trillion, eight hundred twenty-nine billion, three hundred eighty-five million, three hundred ninety-four thousand, five hundred ninety-seven".