27838354028 has 6 divisors (see below), whose sum is σ = 48717119556. Its totient is φ = 13919177012.

The previous prime is 27838354009. The next prime is 27838354099. The reversal of 27838354028 is 82045383872.

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 as a sum of consecutive naturals, namely, 3479794250 + ... + 3479794257.

It is an arithmetic number, because the mean of its divisors is an integer number (8119519926).

Almost surely, 2^27838354028 is an apocalyptic number.

It is an amenable number.

27838354028 is a deficient number, since it is larger than the sum of its proper divisors (20878765528).

27838354028 is a wasteful number, since it uses less digits than its factorization.

27838354028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959588511 (or 6959588509 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 27838354028 in words is "twenty-seven billion, eight hundred thirty-eight million, three hundred fifty-four thousand, twenty-eight".