27657630112 has 24 divisors (see below), whose sum is σ = 62229668256. Its totient is φ = 11853269952.

The previous prime is 27657630109. The next prime is 27657630113. The reversal of 27657630112 is 21103675672.

It is not an unprimeable number, because it can be changed into a prime (27657630113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61735558 + ... + 61736005.

It is an arithmetic number, because the mean of its divisors is an integer number (2592902844).

Almost surely, 2^27657630112 is an apocalyptic number.

It is an amenable number.

27657630112 is an abundant number, since it is smaller than the sum of its proper divisors (34572038144).

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

27657630112 is a wasteful number, since it uses less digits than its factorization.

27657630112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123471580 (or 123471572 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 27657630112 in words is "twenty-seven billion, six hundred fifty-seven million, six hundred thirty thousand, one hundred twelve".