25886478 has 16 divisors (see below), whose sum is σ = 54818640. Its totient is φ = 8121216.

The previous prime is 25886467. The next prime is 25886479. The reversal of 25886478 is 87468852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25886479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126793 + ... + 126996.

It is an arithmetic number, because the mean of its divisors is an integer number (3426165).

Almost surely, 2^25886478 is an apocalyptic number.

25886478 is an abundant number, since it is smaller than the sum of its proper divisors (28932162).

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

25886478 is a wasteful number, since it uses less digits than its factorization.

25886478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253811.

The product of its digits is 860160, while the sum is 48.

The square root of 25886478 is about 5087.8755881016. The cubic root of 25886478 is about 295.8178130763.

It can be divided in two parts, 258 and 86478, that added together give a triangular number (86736 = T₄₁₆).

The spelling of 25886478 in words is "twenty-five million, eight hundred eighty-six thousand, four hundred seventy-eight".