27880589928 has 32 divisors (see below), whose sum is σ = 69720888960. Its totient is φ = 9290941440.

The previous prime is 27880589899. The next prime is 27880589963. The reversal of 27880589928 is 82998508872.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72825 + ... + 247112.

It is an arithmetic number, because the mean of its divisors is an integer number (2178777780).

Almost surely, 2^27880589928 is an apocalyptic number.

It is an amenable number.

27880589928 is an abundant number, since it is smaller than the sum of its proper divisors (41840299032).

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

27880589928 is a wasteful number, since it uses less digits than its factorization.

27880589928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323577 (or 323573 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 66.

The spelling of 27880589928 in words is "twenty-seven billion, eight hundred eighty million, five hundred eighty-nine thousand, nine hundred twenty-eight".