26082778 has 8 divisors (see below), whose sum is σ = 39270420. Its totient is φ = 12992640.

The previous prime is 26082767. The next prime is 26082809. The reversal of 26082778 is 87728062.

It can be written as a sum of positive squares in 2 ways, for example, as 25877569 + 205209 = 5087^2 + 453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×26082778² = 1360622616394568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26082778.

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 in 3 ways as a sum of consecutive naturals, for example, 23703 + ... + 24778.

Almost surely, 2^26082778 is an apocalyptic number.

26082778 is a deficient number, since it is larger than the sum of its proper divisors (13187642).

26082778 is a wasteful number, since it uses less digits than its factorization.

26082778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48752.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 26082778 is about 5107.1301138702. The cubic root of 26082778 is about 296.5636705683.

It can be divided in two parts, 260 and 82778, that added together give a palindrome (83038).

The spelling of 26082778 in words is "twenty-six million, eighty-two thousand, seven hundred seventy-eight".