27930739844 has 12 divisors (see below), whose sum is σ = 55861479744. Its totient is φ = 11970317064.

The previous prime is 27930739829. The next prime is 27930739853. The reversal of 27930739844 is 44893703972.

27930739844 is an admirable number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 27930739844.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498763184 + ... + 498763239.

It is an arithmetic number, because the mean of its divisors is an integer number (4655123312).

Almost surely, 2^27930739844 is an apocalyptic number.

It is an amenable number.

27930739844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27930739844 is a wasteful number, since it uses less digits than its factorization.

27930739844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997526434 (or 997526432 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 27930739844 in words is "twenty-seven billion, nine hundred thirty million, seven hundred thirty-nine thousand, eight hundred forty-four".