27708031012 has 24 divisors (see below), whose sum is σ = 50077379072. Its totient is φ = 13400640000.

The previous prime is 27708031007. The next prime is 27708031051. The reversal of 27708031012 is 21013080772.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209137 + ... + 314887.

Almost surely, 2^27708031012 is an apocalyptic number.

It is an amenable number.

27708031012 is a deficient number, since it is larger than the sum of its proper divisors (22369348060).

27708031012 is a wasteful number, since it uses less digits than its factorization.

27708031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107899 (or 107897 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 27708031012 in words is "twenty-seven billion, seven hundred eight million, thirty-one thousand, twelve".