27082487772 has 72 divisors (see below), whose sum is σ = 72630413856. Its totient is φ = 8479478784.

The previous prime is 27082487753. The next prime is 27082487777. The reversal of 27082487772 is 27778428072.

It is a super-2 number, since 2×27082487772² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27082487777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263848 + ... + 351824.

It is an arithmetic number, because the mean of its divisors is an integer number (1008755748).

Almost surely, 2^27082487772 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 27082487772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36315206928).

27082487772 is an abundant number, since it is smaller than the sum of its proper divisors (45547926084).

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

27082487772 is a wasteful number, since it uses less digits than its factorization.

27082487772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88507 (or 88502 counting only the distinct ones).

The product of its (nonzero) digits is 4917248, while the sum is 54.

The spelling of 27082487772 in words is "twenty-seven billion, eighty-two million, four hundred eighty-seven thousand, seven hundred seventy-two".