27871261437216 has 24 divisors (see below), whose sum is σ = 73162061272944. Its totient is φ = 9290420479040.

The previous prime is 27871261437209. The next prime is 27871261437233. The reversal of 27871261437216 is 61273416217872.

It is a tau number, because it is divible by the number of its divisors (24).

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, 145162819890 + ... + 145162820081.

It is an arithmetic number, because the mean of its divisors is an integer number (3048419219706).

Almost surely, 2^{27871261437216} is an apocalyptic number.

It is an amenable number.

27871261437216 is an abundant number, since it is smaller than the sum of its proper divisors (45290799835728).

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

27871261437216 is a wasteful number, since it uses less digits than its factorization.

27871261437216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290325639984 (or 290325639976 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 57.

The spelling of 27871261437216 in words is "twenty-seven trillion, eight hundred seventy-one billion, two hundred sixty-one million, four hundred thirty-seven thousand, two hundred sixteen".