26902272779 has 2 divisors, whose sum is σ = 26902272780. Its totient is φ = 26902272778.

The previous prime is 26902272763. The next prime is 26902272853. The reversal of 26902272779 is 97727220962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26902272779 - 2⁴ = 26902272763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26902272779.

It is not a weakly prime, because it can be changed into another prime (26902272739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13451136389 + 13451136390.

It is an arithmetic number, because the mean of its divisors is an integer number (13451136390).

Almost surely, 2^26902272779 is an apocalyptic number.

26902272779 is a deficient number, since it is larger than the sum of its proper divisors (1).

26902272779 is an equidigital number, since it uses as much as digits as its factorization.

26902272779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 53.

The spelling of 26902272779 in words is "twenty-six billion, nine hundred two million, two hundred seventy-two thousand, seven hundred seventy-nine".