26746105808 has 10 divisors (see below), whose sum is σ = 51820580034. Its totient is φ = 13373052896.

The previous prime is 26746105781. The next prime is 26746105843. The reversal of 26746105808 is 80850164762.

It can be written as a sum of positive squares in only one way, i.e., 23724624784 + 3021481024 = 154028^2 + 54968^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835815791 + ... + 835815822.

Almost surely, 2^26746105808 is an apocalyptic number.

It is an amenable number.

26746105808 is a deficient number, since it is larger than the sum of its proper divisors (25074474226).

26746105808 is a wasteful number, since it uses less digits than its factorization.

26746105808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671631621 (or 1671631615 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 26746105808 in words is "twenty-six billion, seven hundred forty-six million, one hundred five thousand, eight hundred eight".