25850785228 has 24 divisors (see below), whose sum is σ = 45335544800. Its totient is φ = 12897802368.

The previous prime is 25850785183. The next prime is 25850785253. The reversal of 25850785228 is 82258705852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5199928 + ... + 5204896.

Almost surely, 2^25850785228 is an apocalyptic number.

It is an amenable number.

25850785228 is a deficient number, since it is larger than the sum of its proper divisors (19484759572).

25850785228 is a wasteful number, since it uses less digits than its factorization.

25850785228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7489 (or 7487 counting only the distinct ones).

The product of its (nonzero) digits is 3584000, while the sum is 52.

The spelling of 25850785228 in words is "twenty-five billion, eight hundred fifty million, seven hundred eighty-five thousand, two hundred twenty-eight".