27101268988 has 12 divisors (see below), whose sum is σ = 47428781400. Its totient is φ = 13550188592.

The previous prime is 27101268983. The next prime is 27101268991. The reversal of 27101268988 is 88986210172.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27101268983) 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, 51870 + ... + 238522.

It is an arithmetic number, because the mean of its divisors is an integer number (3952398450).

Almost surely, 2^27101268988 is an apocalyptic number.

It is an amenable number.

27101268988 is a deficient number, since it is larger than the sum of its proper divisors (20327512412).

27101268988 is a wasteful number, since it uses less digits than its factorization.

27101268988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222956 (or 222954 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 52.

The spelling of 27101268988 in words is "twenty-seven billion, one hundred one million, two hundred sixty-eight thousand, nine hundred eighty-eight".