25955868 has 48 divisors (see below), whose sum is σ = 63705600. Its totient is φ = 8209344.

The previous prime is 25955863. The next prime is 25955869. The reversal of 25955868 is 86855952.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25955863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43033 + ... + 43631.

It is an arithmetic number, because the mean of its divisors is an integer number (1327200).

Almost surely, 2^25955868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25955868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31852800).

25955868 is an abundant number, since it is smaller than the sum of its proper divisors (37749732).

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

25955868 is a wasteful number, since it uses less digits than its factorization.

25955868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 784 counting only the distinct ones).

The product of its digits is 864000, while the sum is 48.

The square root of 25955868 is about 5094.6901770373. The cubic root of 25955868 is about 296.0818954063.

The spelling of 25955868 in words is "twenty-five million, nine hundred fifty-five thousand, eight hundred sixty-eight".