26400211207 has 2 divisors, whose sum is σ = 26400211208. Its totient is φ = 26400211206.

The previous prime is 26400211169. The next prime is 26400211223. The reversal of 26400211207 is 70211200462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26400211207 - 2¹⁵ = 26400178439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26400211237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13200105603 + 13200105604.

It is an arithmetic number, because the mean of its divisors is an integer number (13200105604).

Almost surely, 2^26400211207 is an apocalyptic number.

26400211207 is a deficient number, since it is larger than the sum of its proper divisors (1).

26400211207 is an equidigital number, since it uses as much as digits as its factorization.

26400211207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 26400211207 its reverse (70211200462), we get a palindrome (96611411669).

The spelling of 26400211207 in words is "twenty-six billion, four hundred million, two hundred eleven thousand, two hundred seven".