26420785 has 4 divisors (see below), whose sum is σ = 31704948. Its totient is φ = 21136624.

The previous prime is 26420759. The next prime is 26420803. The reversal of 26420785 is 58702462.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16289296 + 10131489 = 4036^2 + 3183^2 .

It is a cyclic number.

It is not a de Polignac number, because 26420785 - 2⁷ = 26420657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26420785.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2642074 + ... + 2642083.

It is an arithmetic number, because the mean of its divisors is an integer number (7926237).

Almost surely, 2^26420785 is an apocalyptic number.

It is an amenable number.

26420785 is a deficient number, since it is larger than the sum of its proper divisors (5284163).

26420785 is an equidigital number, since it uses as much as digits as its factorization.

26420785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284162.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 26420785 is about 5140.1152710810. The cubic root of 26420785 is about 297.8392335855.

The spelling of 26420785 in words is "twenty-six million, four hundred twenty thousand, seven hundred eighty-five".