27283077812 has 12 divisors (see below), whose sum is σ = 47748543360. Its totient is φ = 13640636856.

The previous prime is 27283077781. The next prime is 27283077817. The reversal of 27283077812 is 21877038272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27283077817) 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, 155012 + ... + 280347.

It is an arithmetic number, because the mean of its divisors is an integer number (3979045280).

Almost surely, 2^27283077812 is an apocalyptic number.

It is an amenable number.

27283077812 is a deficient number, since it is larger than the sum of its proper divisors (20465465548).

27283077812 is a wasteful number, since it uses less digits than its factorization.

27283077812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451030 (or 451028 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 47.

The spelling of 27283077812 in words is "twenty-seven billion, two hundred eighty-three million, seventy-seven thousand, eight hundred twelve".