259192776797 has 2 divisors, whose sum is σ = 259192776798. Its totient is φ = 259192776796.

The previous prime is 259192776779. The next prime is 259192776863. The reversal of 259192776797 is 797677291952.

Together with previous prime (259192776779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140723267161 + 118469509636 = 375131^2 + 344194^2 .

It is a cyclic number.

It is not a de Polignac number, because 259192776797 - 2⁸ = 259192776541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 259192776797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259192776707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129596388398 + 129596388399.

It is an arithmetic number, because the mean of its divisors is an integer number (129596388399).

Almost surely, 2^259192776797 is an apocalyptic number.

It is an amenable number.

259192776797 is a deficient number, since it is larger than the sum of its proper divisors (1).

259192776797 is an equidigital number, since it uses as much as digits as its factorization.

259192776797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 210039480, while the sum is 71.

The spelling of 259192776797 in words is "two hundred fifty-nine billion, one hundred ninety-two million, seven hundred seventy-six thousand, seven hundred ninety-seven".