25779848 has 16 divisors (see below), whose sum is σ = 49896960. Its totient is φ = 12474000.

The previous prime is 25779847. The next prime is 25779851. The reversal of 25779848 is 84897752.

It is a junction number, because it is equal to n+sod(n) for n = 25779796 and 25779805.

It is not an unprimeable number, because it can be changed into a prime (25779841) 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 3 ways as a sum of consecutive naturals, for example, 51728 + ... + 52223.

It is an arithmetic number, because the mean of its divisors is an integer number (3118560).

Almost surely, 2^25779848 is an apocalyptic number.

It is an amenable number.

25779848 is a deficient number, since it is larger than the sum of its proper divisors (24117112).

25779848 is a wasteful number, since it uses less digits than its factorization.

25779848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103988 (or 103984 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 50.

The square root of 25779848 is about 5077.3859416042. The cubic root of 25779848 is about 295.4110825448.

The spelling of 25779848 in words is "twenty-five million, seven hundred seventy-nine thousand, eight hundred forty-eight".