26257367783 has 2 divisors, whose sum is σ = 26257367784. Its totient is φ = 26257367782.

The previous prime is 26257367713. The next prime is 26257367791. The reversal of 26257367783 is 38776375262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26257367783 - 2²⁰ = 26256319207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26257367713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13128683891 + 13128683892.

It is an arithmetic number, because the mean of its divisors is an integer number (13128683892).

Almost surely, 2^26257367783 is an apocalyptic number.

26257367783 is a deficient number, since it is larger than the sum of its proper divisors (1).

26257367783 is an equidigital number, since it uses as much as digits as its factorization.

26257367783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17781120, while the sum is 56.

The spelling of 26257367783 in words is "twenty-six billion, two hundred fifty-seven million, three hundred sixty-seven thousand, seven hundred eighty-three".