26216303077 has 2 divisors, whose sum is σ = 26216303078. Its totient is φ = 26216303076.

The previous prime is 26216303027. The next prime is 26216303089. The reversal of 26216303077 is 77030361262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24082694596 + 2133608481 = 155186^2 + 46191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26216303077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26216303027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13108151538 + 13108151539.

It is an arithmetic number, because the mean of its divisors is an integer number (13108151539).

Almost surely, 2^26216303077 is an apocalyptic number.

It is an amenable number.

26216303077 is a deficient number, since it is larger than the sum of its proper divisors (1).

26216303077 is an equidigital number, since it uses as much as digits as its factorization.

26216303077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 26216303077 in words is "twenty-six billion, two hundred sixteen million, three hundred three thousand, seventy-seven".