27971288088 has 16 divisors (see below), whose sum is σ = 69928220280. Its totient is φ = 9323762688.

The previous prime is 27971288069. The next prime is 27971288141. The reversal of 27971288088 is 88088217972.

It is a congruent number.

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, 582735145 + ... + 582735192.

Almost surely, 2^27971288088 is an apocalyptic number.

It is an amenable number.

27971288088 is an abundant number, since it is smaller than the sum of its proper divisors (41956932192).

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

27971288088 is a wasteful number, since it uses less digits than its factorization.

27971288088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165470346 (or 1165470342 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 60.

The spelling of 27971288088 in words is "twenty-seven billion, nine hundred seventy-one million, two hundred eighty-eight thousand, eighty-eight".