25855078 has 16 divisors (see below), whose sum is σ = 39373776. Its totient is φ = 12732160.

The previous prime is 25855031. The next prime is 25855111. The reversal of 25855078 is 87055852.

It is a self number, because there is not a number n which added to its sum of digits gives 25855078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52413 + ... + 52903.

It is an arithmetic number, because the mean of its divisors is an integer number (2460861).

Almost surely, 2^25855078 is an apocalyptic number.

25855078 is a deficient number, since it is larger than the sum of its proper divisors (13518698).

25855078 is a wasteful number, since it uses less digits than its factorization.

25855078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839.

The product of its (nonzero) digits is 112000, while the sum is 40.

The square root of 25855078 is about 5084.7888845064. The cubic root of 25855078 is about 295.6981568147.

The spelling of 25855078 in words is "twenty-five million, eight hundred fifty-five thousand, seventy-eight".