27203799912 has 32 divisors (see below), whose sum is σ = 68013564000. Its totient is φ = 9067391424.

The previous prime is 27203799911. The next prime is 27203799919. The reversal of 27203799912 is 21999730272.

It is not an unprimeable number, because it can be changed into a prime (27203799911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705714 + ... + 743262.

It is an arithmetic number, because the mean of its divisors is an integer number (2125423875).

Almost surely, 2^27203799912 is an apocalyptic number.

It is an amenable number.

27203799912 is an abundant number, since it is smaller than the sum of its proper divisors (40809764088).

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

27203799912 is a wasteful number, since it uses less digits than its factorization.

27203799912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67745 (or 67741 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 51.

The spelling of 27203799912 in words is "twenty-seven billion, two hundred three million, seven hundred ninety-nine thousand, nine hundred twelve".