26778044 has 6 divisors (see below), whose sum is σ = 46861584. Its totient is φ = 13389020.

The previous prime is 26778023. The next prime is 26778061. The reversal of 26778044 is 44087762.

It is a junction number, because it is equal to n+sod(n) for n = 26777989 and 26778007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3347252 + ... + 3347259.

It is an arithmetic number, because the mean of its divisors is an integer number (7810264).

Almost surely, 2^26778044 is an apocalyptic number.

It is an amenable number.

26778044 is a deficient number, since it is larger than the sum of its proper divisors (20083540).

26778044 is a wasteful number, since it uses less digits than its factorization.

26778044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6694515 (or 6694513 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 26778044 is about 5174.7506220107. The cubic root of 26778044 is about 299.1756777916.

The spelling of 26778044 in words is "twenty-six million, seven hundred seventy-eight thousand, forty-four".