25328078 has 16 divisors (see below), whose sum is σ = 40264560. Its totient is φ = 11928000.

The previous prime is 25328059. The next prime is 25328137. The reversal of 25328078 is 87082352.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 2948 + ... + 7703.

It is an arithmetic number, because the mean of its divisors is an integer number (2516535).

Almost surely, 2^25328078 is an apocalyptic number.

25328078 is a deficient number, since it is larger than the sum of its proper divisors (14936482).

25328078 is a wasteful number, since it uses less digits than its factorization.

25328078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10723.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 25328078 is about 5032.7008653406. The cubic root of 25328078 is about 293.6752936325.

The spelling of 25328078 in words is "twenty-five million, three hundred twenty-eight thousand, seventy-eight".