27858241785852 has 36 divisors (see below), whose sum is σ = 70420622834016. Its totient is φ = 9285925212480.

The previous prime is 27858241785757. The next prime is 27858241785877. The reversal of 27858241785852 is 25858714285872.

27858241785852 is a `hidden beast` number, since 2 + 7 + 8 + 5 + 8 + 24 + 17 + 8 + 585 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4282788 + ... + 8605739.

It is an arithmetic number, because the mean of its divisors is an integer number (1956128412056).

Almost surely, 2^{27858241785852} is an apocalyptic number.

It is an amenable number.

27858241785852 is an abundant number, since it is smaller than the sum of its proper divisors (42562381048164).

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

27858241785852 is a wasteful number, since it uses less digits than its factorization.

27858241785852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12948578 (or 12948573 counting only the distinct ones).

The product of its digits is 802816000, while the sum is 72.

The spelling of 27858241785852 in words is "twenty-seven trillion, eight hundred fifty-eight billion, two hundred forty-one million, seven hundred eighty-five thousand, eight hundred fifty-two".