27825418836 has 192 divisors, whose sum is σ = 76877660160. Its totient is φ = 8689628160.

The previous prime is 27825418759. The next prime is 27825418843. The reversal of 27825418836 is 63881452872.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15262621 + ... + 15264443.

It is an arithmetic number, because the mean of its divisors is an integer number (400404480).

Almost surely, 2^27825418836 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 27825418836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38438830080).

27825418836 is an abundant number, since it is smaller than the sum of its proper divisors (49052241324).

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

27825418836 is a wasteful number, since it uses less digits than its factorization.

27825418836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011 (or 2003 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 27825418836 in words is "twenty-seven billion, eight hundred twenty-five million, four hundred eighteen thousand, eight hundred thirty-six".