25884378 has 72 divisors (see below), whose sum is σ = 62120448. Its totient is φ = 7783776.

The previous prime is 25884377. The next prime is 25884427. The reversal of 25884378 is 87348852.

It is not an unprimeable number, because it can be changed into a prime (25884371) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 203751 + ... + 203877.

It is an arithmetic number, because the mean of its divisors is an integer number (862784).

Almost surely, 2^25884378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25884378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31060224).

25884378 is an abundant number, since it is smaller than the sum of its proper divisors (36236070).

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

25884378 is a wasteful number, since it uses less digits than its factorization.

25884378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 212 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 25884378 is about 5087.6692109452. The cubic root of 25884378 is about 295.8098136077.

It can be divided in two parts, 25884 and 378, that added together give a palindrome (26262).

The spelling of 25884378 in words is "twenty-five million, eight hundred eighty-four thousand, three hundred seventy-eight".