27777675488 has 48 divisors (see below), whose sum is σ = 56857812480. Its totient is φ = 13344048000.

The previous prime is 27777675473. The next prime is 27777675517. The reversal of 27777675488 is 88457677772.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37163 + ... + 238613.

It is an arithmetic number, because the mean of its divisors is an integer number (1184537760).

Almost surely, 2^27777675488 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 27777675488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28428906240).

27777675488 is an abundant number, since it is smaller than the sum of its proper divisors (29080136992).

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

27777675488 is a wasteful number, since it uses less digits than its factorization.

27777675488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201631 (or 201623 counting only the distinct ones).

The product of its digits is 258155520, while the sum is 68.

The spelling of 27777675488 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred seventy-five thousand, four hundred eighty-eight".