27806245612 has 24 divisors (see below), whose sum is σ = 49480708032. Its totient is φ = 13669104000.

The previous prime is 27806245603. The next prime is 27806245631. The reversal of 27806245612 is 21654260872.

It is a happy number.

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, 549408 + ... + 597880.

It is an arithmetic number, because the mean of its divisors is an integer number (2061696168).

Almost surely, 2^27806245612 is an apocalyptic number.

It is an amenable number.

27806245612 is a deficient number, since it is larger than the sum of its proper divisors (21674462420).

27806245612 is a wasteful number, since it uses less digits than its factorization.

27806245612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50889 (or 50887 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 27806245612 in words is "twenty-seven billion, eight hundred six million, two hundred forty-five thousand, six hundred twelve".