26806065085782 has 12 divisors (see below), whose sum is σ = 58079807685900. Its totient is φ = 8935355028588.

The previous prime is 26806065085649. The next prime is 26806065085799. The reversal of 26806065085782 is 28758056060862.

26806065085782 is a `hidden beast` number, since 2 + 6 + 8 + 0 + 6 + 0 + 6 + 50 + 8 + 578 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 744612919032 + ... + 744612919067.

It is an arithmetic number, because the mean of its divisors is an integer number (4839983973825).

Almost surely, 2^{26806065085782} is an apocalyptic number.

26806065085782 is an abundant number, since it is smaller than the sum of its proper divisors (31273742600118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26806065085782 is a wasteful number, since it uses less digits than its factorization.

26806065085782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489225838107 (or 1489225838104 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 26806065085782 in words is "twenty-six trillion, eight hundred six billion, sixty-five million, eighty-five thousand, seven hundred eighty-two".