25878822 has 16 divisors (see below), whose sum is σ = 51807600. Its totient is φ = 8617952.

The previous prime is 25878803. The next prime is 25878857. The reversal of 25878822 is 22887852.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10588 + ... + 12800.

It is an arithmetic number, because the mean of its divisors is an integer number (3237975).

Almost surely, 2^25878822 is an apocalyptic number.

25878822 is an abundant number, since it is smaller than the sum of its proper divisors (25928778).

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

25878822 is a wasteful number, since it uses less digits than its factorization.

25878822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167.

The product of its digits is 143360, while the sum is 42.

The square root of 25878822 is about 5087.1231555762. The cubic root of 25878822 is about 295.7886472124.

The spelling of 25878822 in words is "twenty-five million, eight hundred seventy-eight thousand, eight hundred twenty-two".