27777675268 has 48 divisors (see below), whose sum is σ = 56937328000. Its totient is φ = 11852598240.

The previous prime is 27777675257. The next prime is 27777675269. The reversal of 27777675268 is 86257677772.

It is not an unprimeable number, because it can be changed into a prime (27777675269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269983 + ... + 358393.

Almost surely, 2^27777675268 is an apocalyptic number.

27777675268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27777675268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28468664000).

27777675268 is an abundant number, since it is smaller than the sum of its proper divisors (29159652732).

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

27777675268 is a wasteful number, since it uses less digits than its factorization.

27777675268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88665 (or 88649 counting only the distinct ones).

The product of its digits is 96808320, while the sum is 64.

The spelling of 27777675268 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred seventy-five thousand, two hundred sixty-eight".