27478839552 has 36 divisors (see below), whose sum is σ = 73133788560. Its totient is φ = 9159612928.

The previous prime is 27478839529. The next prime is 27478839569. The reversal of 27478839552 is 25593887472.

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, 17889102 + ... + 17890637.

Almost surely, 2^27478839552 is an apocalyptic number.

It is an amenable number.

27478839552 is an abundant number, since it is smaller than the sum of its proper divisors (45654949008).

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

27478839552 is an equidigital number, since it uses as much as digits as its factorization.

27478839552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35779758 (or 35779744 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 60.

The spelling of 27478839552 in words is "twenty-seven billion, four hundred seventy-eight million, eight hundred thirty-nine thousand, five hundred fifty-two".