27777675376 has 80 divisors (see below), whose sum is σ = 59792601600. Its totient is φ = 12395635200.

The previous prime is 27777675361. The next prime is 27777675383. The reversal of 27777675376 is 67357677772.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 2483236 + ... + 2494396.

It is an arithmetic number, because the mean of its divisors is an integer number (747407520).

Almost surely, 2^27777675376 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 27777675376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29896300800).

27777675376 is an abundant number, since it is smaller than the sum of its proper divisors (32014926224).

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

27777675376 is a wasteful number, since it uses less digits than its factorization.

27777675376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11438 (or 11432 counting only the distinct ones).

The product of its digits is 127060920, while the sum is 64.

The spelling of 27777675376 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred seventy-five thousand, three hundred seventy-six".