26295378755777 has 2 divisors, whose sum is σ = 26295378755778. Its totient is φ = 26295378755776.

The previous prime is 26295378755747. The next prime is 26295378755839. The reversal of 26295378755777 is 77755787359262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14841594445441 + 11453784310336 = 3852479^2 + 3384344^2 .

It is a cyclic number.

It is not a de Polignac number, because 26295378755777 - 2⁸ = 26295378755521 is a prime.

It is a super-2 number, since 2×26295378755777² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26295378755747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13147689377888 + 13147689377889.

It is an arithmetic number, because the mean of its divisors is an integer number (13147689377889).

Almost surely, 2^{26295378755777} is an apocalyptic number.

It is an amenable number.

26295378755777 is a deficient number, since it is larger than the sum of its proper divisors (1).

26295378755777 is an equidigital number, since it uses as much as digits as its factorization.

26295378755777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10890936000, while the sum is 80.

The spelling of 26295378755777 in words is "twenty-six trillion, two hundred ninety-five billion, three hundred seventy-eight million, seven hundred fifty-five thousand, seven hundred seventy-seven".