26768701685 has 32 divisors (see below), whose sum is σ = 36585457920. Its totient is φ = 18611929600.

The previous prime is 26768701637. The next prime is 26768701693. The reversal of 26768701685 is 58610786762.

It is not a de Polignac number, because 26768701685 - 2¹⁰ = 26768700661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26768701685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3083531 + ... + 3092199.

It is an arithmetic number, because the mean of its divisors is an integer number (1143295560).

Almost surely, 2^26768701685 is an apocalyptic number.

It is an amenable number.

26768701685 is a deficient number, since it is larger than the sum of its proper divisors (9816756235).

26768701685 is a wasteful number, since it uses less digits than its factorization.

26768701685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11149.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 26768701685 in words is "twenty-six billion, seven hundred sixty-eight million, seven hundred one thousand, six hundred eighty-five".