27849348670 has 128 divisors (see below), whose sum is σ = 60058091520. Its totient is φ = 9164897280.

The previous prime is 27849348661. The next prime is 27849348731. The reversal of 27849348670 is 7684394872.

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 63 ways as a sum of consecutive naturals, for example, 16162429 + ... + 16164151.

It is an arithmetic number, because the mean of its divisors is an integer number (469203840).

Almost surely, 2^27849348670 is an apocalyptic number.

27849348670 is an abundant number, since it is smaller than the sum of its proper divisors (32208742850).

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

27849348670 is a wasteful number, since it uses less digits than its factorization.

27849348670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970.

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 27849348670 in words is "twenty-seven billion, eight hundred forty-nine million, three hundred forty-eight thousand, six hundred seventy".