26806065085783 has 4 divisors (see below), whose sum is σ = 26809024148280. Its totient is φ = 26803106023288.

The previous prime is 26806065085649. The next prime is 26806065085799. The reversal of 26806065085783 is 38758056060862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26806065085783 - 2²⁵ = 26806031531351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26806062085783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1479517660 + ... + 1479535777.

It is an arithmetic number, because the mean of its divisors is an integer number (6702256037070).

Almost surely, 2^{26806065085783} is an apocalyptic number.

26806065085783 is a deficient number, since it is larger than the sum of its proper divisors (2959062497).

26806065085783 is an equidigital number, since it uses as much as digits as its factorization.

26806065085783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959062496.

The product of its (nonzero) digits is 116121600, while the sum is 64.

The spelling of 26806065085783 in words is "twenty-six trillion, eight hundred six billion, sixty-five million, eighty-five thousand, seven hundred eighty-three".