27663214236 has 96 divisors (see below), whose sum is σ = 77715832320. Its totient is φ = 7481548800.

The previous prime is 27663214223. The next prime is 27663214247. The reversal of 27663214236 is 63241236672.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2101756 + ... + 2114876.

It is an arithmetic number, because the mean of its divisors is an integer number (809539920).

Almost surely, 2^27663214236 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 27663214236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38857916160).

27663214236 is an abundant number, since it is smaller than the sum of its proper divisors (50052618084).

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

27663214236 is a wasteful number, since it uses less digits than its factorization.

27663214236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14475 (or 14473 counting only the distinct ones).

The product of its digits is 435456, while the sum is 42.

The spelling of 27663214236 in words is "twenty-seven billion, six hundred sixty-three million, two hundred fourteen thousand, two hundred thirty-six".