26843951077 has 2 divisors, whose sum is σ = 26843951078. Its totient is φ = 26843951076.

The previous prime is 26843951047. The next prime is 26843951111. The reversal of 26843951077 is 77015934862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23680900996 + 3163050081 = 153886^2 + 56241^2 .

It is a cyclic number.

It is not a de Polignac number, because 26843951077 - 2¹¹ = 26843949029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26843951027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13421975538 + 13421975539.

It is an arithmetic number, because the mean of its divisors is an integer number (13421975539).

It is a 2-persistent number, because it is pandigital, and so is 2⋅26843951077 = 53687902154, but 3⋅26843951077 = 80531853231 is not.

Almost surely, 2^26843951077 is an apocalyptic number.

It is an amenable number.

26843951077 is a deficient number, since it is larger than the sum of its proper divisors (1).

26843951077 is an equidigital number, since it uses as much as digits as its factorization.

26843951077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 26843951077 in words is "twenty-six billion, eight hundred forty-three million, nine hundred fifty-one thousand, seventy-seven".