25785005828 has 24 divisors (see below), whose sum is σ = 46988921280. Its totient is φ = 12365488800.

The previous prime is 25785005801. The next prime is 25785005839. The reversal of 25785005828 is 82850058752.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718526 + ... + 753557.

It is an arithmetic number, because the mean of its divisors is an integer number (1957871720).

Almost surely, 2^25785005828 is an apocalyptic number.

It is an amenable number.

25785005828 is a deficient number, since it is larger than the sum of its proper divisors (21203915452).

25785005828 is a wasteful number, since it uses less digits than its factorization.

25785005828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472267 (or 1472265 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 50.

The spelling of 25785005828 in words is "twenty-five billion, seven hundred eighty-five million, five thousand, eight hundred twenty-eight".