26328078 has 96 divisors (see below), whose sum is σ = 69189120. Its totient is φ = 7348320.

The previous prime is 26328041. The next prime is 26328097. The reversal of 26328078 is 87082362.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 241488 + ... + 241596.

It is an arithmetic number, because the mean of its divisors is an integer number (720720).

Almost surely, 2^26328078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26328078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34594560).

26328078 is an abundant number, since it is smaller than the sum of its proper divisors (42861042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26328078 is a wasteful number, since it uses less digits than its factorization.

26328078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 26328078 is about 5131.0893580214. The cubic root of 26328078 is about 297.4904659986.

The spelling of 26328078 in words is "twenty-six million, three hundred twenty-eight thousand, seventy-eight".