28798346597 has 2 divisors, whose sum is σ = 28798346598. Its totient is φ = 28798346596.

The previous prime is 28798346513. The next prime is 28798346657. The reversal of 28798346597 is 79564389782.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28537007041 + 261339556 = 168929^2 + 16166^2 .

It is a cyclic number.

It is not a de Polignac number, because 28798346597 - 2¹⁸ = 28798084453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28798306597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14399173298 + 14399173299.

It is an arithmetic number, because the mean of its divisors is an integer number (14399173299).

Almost surely, 2^28798346597 is an apocalyptic number.

It is an amenable number.

28798346597 is a deficient number, since it is larger than the sum of its proper divisors (1).

28798346597 is an equidigital number, since it uses as much as digits as its factorization.

28798346597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 182891520, while the sum is 68.

The spelling of 28798346597 in words is "twenty-eight billion, seven hundred ninety-eight million, three hundred forty-six thousand, five hundred ninety-seven".