27485808972 has 12 divisors (see below), whose sum is σ = 64133554296. Its totient is φ = 9161936320.

The previous prime is 27485808967. The next prime is 27485808989. The reversal of 27485808972 is 27980858472.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1145242029 + ... + 1145242052.

It is an arithmetic number, because the mean of its divisors is an integer number (5344462858).

Almost surely, 2^27485808972 is an apocalyptic number.

It is an amenable number.

27485808972 is an abundant number, since it is smaller than the sum of its proper divisors (36647745324).

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

27485808972 is a wasteful number, since it uses less digits than its factorization.

27485808972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290484088 (or 2290484086 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 60.

The spelling of 27485808972 in words is "twenty-seven billion, four hundred eighty-five million, eight hundred eight thousand, nine hundred seventy-two".