27785771674436 has 24 divisors (see below), whose sum is σ = 48655361373696. Its totient is φ = 13884241817120.

The previous prime is 27785771674421. The next prime is 27785771674477. The reversal of 27785771674436 is 63447617758772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57406190 + ... + 57888186.

It is an arithmetic number, because the mean of its divisors is an integer number (2027306723904).

Almost surely, 2^{27785771674436} is an apocalyptic number.

It is an amenable number.

27785771674436 is a deficient number, since it is larger than the sum of its proper divisors (20869589699260).

27785771674436 is a wasteful number, since it uses less digits than its factorization.

27785771674436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490939 (or 490937 counting only the distinct ones).

The product of its digits is 2323399680, while the sum is 74.

The spelling of 27785771674436 in words is "twenty-seven trillion, seven hundred eighty-five billion, seven hundred seventy-one million, six hundred seventy-four thousand, four hundred thirty-six".