27026767872 has 360 divisors, whose sum is σ = 87879521184. Its totient is φ = 7941390336.

The previous prime is 27026767829. The next prime is 27026767879. The reversal of 27026767872 is 27876762072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27026767879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44089038 + ... + 44089650.

Almost surely, 2^27026767872 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 27026767872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43939760592).

27026767872 is an abundant number, since it is smaller than the sum of its proper divisors (60852753312).

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

27026767872 is a wasteful number, since it uses less digits than its factorization.

27026767872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 54.

The spelling of 27026767872 in words is "twenty-seven billion, twenty-six million, seven hundred sixty-seven thousand, eight hundred seventy-two".