27812000712 has 64 divisors (see below), whose sum is σ = 71046144000. Its totient is φ = 9068719680.

The previous prime is 27812000647. The next prime is 27812000753. The reversal of 27812000712 is 21700021872.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27812000712.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2669289 + ... + 2679687.

It is an arithmetic number, because the mean of its divisors is an integer number (1110096000).

Almost surely, 2^27812000712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27812000712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35523072000).

27812000712 is an abundant number, since it is smaller than the sum of its proper divisors (43234143288).

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

27812000712 is a wasteful number, since it uses less digits than its factorization.

27812000712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12826 (or 12822 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The spelling of 27812000712 in words is "twenty-seven billion, eight hundred twelve million, seven hundred twelve", and thus it is an aban number.