26786217079 has 2 divisors, whose sum is σ = 26786217080. Its totient is φ = 26786217078.

The previous prime is 26786217067. The next prime is 26786217091. The reversal of 26786217079 is 97071268762.

It is a balanced prime because it is at equal distance from previous prime (26786217067) and next prime (26786217091).

It is a cyclic number.

It is not a de Polignac number, because 26786217079 - 2¹⁵ = 26786184311 is a prime.

It is a super-2 number, since 2×26786217079² (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 (26786227079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13393108539 + 13393108540.

It is an arithmetic number, because the mean of its divisors is an integer number (13393108540).

Almost surely, 2^26786217079 is an apocalyptic number.

26786217079 is a deficient number, since it is larger than the sum of its proper divisors (1).

26786217079 is an equidigital number, since it uses as much as digits as its factorization.

26786217079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 26786217079 in words is "twenty-six billion, seven hundred eighty-six million, two hundred seventeen thousand, seventy-nine".