26788478 has 16 divisors (see below), whose sum is σ = 41040000. Its totient is φ = 13110552.

The previous prime is 26788471. The next prime is 26788493. The reversal of 26788478 is 87488762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26788471) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 44423 + ... + 45021.

It is an arithmetic number, because the mean of its divisors is an integer number (2565000).

Almost surely, 2^26788478 is an apocalyptic number.

26788478 is a deficient number, since it is larger than the sum of its proper divisors (14251522).

26788478 is a wasteful number, since it uses less digits than its factorization.

26788478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039.

The product of its digits is 1204224, while the sum is 50.

The square root of 26788478 is about 5175.7586883471. The cubic root of 26788478 is about 299.2145304386.

The spelling of 26788478 in words is "twenty-six million, seven hundred eighty-eight thousand, four hundred seventy-eight".