26101266677 has 2 divisors, whose sum is σ = 26101266678. Its totient is φ = 26101266676.

The previous prime is 26101266649. The next prime is 26101266707. The reversal of 26101266677 is 77666210162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25194895441 + 906371236 = 158729^2 + 30106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26101266677 is a prime.

It is a super-2 number, since 2×26101266677² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26101266647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13050633338 + 13050633339.

It is an arithmetic number, because the mean of its divisors is an integer number (13050633339).

Almost surely, 2^26101266677 is an apocalyptic number.

It is an amenable number.

26101266677 is a deficient number, since it is larger than the sum of its proper divisors (1).

26101266677 is an equidigital number, since it uses as much as digits as its factorization.

26101266677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 26101266677 in words is "twenty-six billion, one hundred one million, two hundred sixty-six thousand, six hundred seventy-seven".