27842784755 has 8 divisors (see below), whose sum is σ = 33412798512. Its totient is φ = 22273256608.

The previous prime is 27842784743. The next prime is 27842784763. The reversal of 27842784755 is 55748724872.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27842784755 - 2⁶ = 27842784691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27842784694 and 27842784703.

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 7 ways as a sum of consecutive naturals, for example, 19637 + ... + 236793.

It is an arithmetic number, because the mean of its divisors is an integer number (4176599814).

Almost surely, 2^27842784755 is an apocalyptic number.

27842784755 is a deficient number, since it is larger than the sum of its proper divisors (5570013757).

27842784755 is a wasteful number, since it uses less digits than its factorization.

27842784755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242805.

The product of its digits is 35123200, while the sum is 59.

The spelling of 27842784755 in words is "twenty-seven billion, eight hundred forty-two million, seven hundred eighty-four thousand, seven hundred fifty-five".