25843878 has 24 divisors (see below), whose sum is σ = 56089800. Its totient is φ = 8600064.

The previous prime is 25843877. The next prime is 25843889. The reversal of 25843878 is 87834852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25843877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17638 + ... + 19046.

It is an arithmetic number, because the mean of its divisors is an integer number (2337075).

Almost surely, 2^25843878 is an apocalyptic number.

25843878 is an abundant number, since it is smaller than the sum of its proper divisors (30245922).

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

25843878 is a wasteful number, since it uses less digits than its factorization.

25843878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 2433 counting only the distinct ones).

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

The square root of 25843878 is about 5083.6874412182. The cubic root of 25843878 is about 295.6554534345.

The spelling of 25843878 in words is "twenty-five million, eight hundred forty-three thousand, eight hundred seventy-eight".